981009900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1471}}^1$

素因数の和:1526

約数の個数: 288

約数和(自身を含む): 3577548800

約数和(自身を除く): 2596538900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 27, 30, 36, 38, 39, 45, 50, 52, 54, 57, 60, 65, 75, 76, 78, 90, 95, 100, 108, 114, 117, 130, 135, 150, 156, 171, 180, 190, 195, 225, 228, 234, 247, 260, 270, 285, 300, 325, 342, 351, 380, 390, 450, 468, 475, 494, 513, 540, 570, 585, 650, 675, 684, 702, 741, 780, 855, 900, 950, 975, 988, 1026, 1140, 1170, 1235, 1300, 1350, 1404, 1425, 1471, 1482, 1710, 1755, 1900, 1950, 2052, 2223, 2340, 2470, 2565, 2700, 2850, 2925, 2942, 2964, 3420, 3510, 3705, 3900, 4275, 4413, 4446, 4940, 5130, 5700, 5850, 5884, 6175, 6669, 7020, 7355, 7410, 8550, 8775, 8826, 8892, 10260, 11115, 11700, 12350, 12825, 13239, 13338, 14710, 14820, 17100, 17550, 17652, 18525, 19123, 22065, 22230, 24700, 25650, 26478, 26676, 27949, 29420, 33345, 35100, 36775, 37050, 38246, 39717, 44130, 44460, 51300, 52956, 55575, 55898, 57369, 66195, 66690, 73550, 74100, 76492, 79434, 83847, 88260, 95615, 110325, 111150, 111796, 114738, 132390, 133380, 139745, 147100, 158868, 166725, 167694, 172107, 191230, 198585, 220650, 222300, 229476, 251541, 264780, 279490, 286845, 330975, 333450, 335388, 344214, 363337, 382460, 397170, 419235, 441300, 478075, 503082, 516321, 558980, 573690, 661950, 666900, 688428, 698725, 726674, 754623, 794340, 838470, 860535, 956150, 992925, 1006164, 1032642, 1090011, 1147380, 1257705, 1323900, 1397450, 1434225, 1453348, 1509246, 1676940, 1721070, 1816685, 1912300, 1985850, 2065284, 2096175, 2180022, 2515410, 2581605, 2794900, 2868450, 3018492, 3270033, 3442140, 3633370, 3773115, 3971700, 4192350, 4302675, 4360044, 5030820, 5163210, 5450055, 5736900, 6288525, 6540066, 7266740, 7546230, 8384700, 8605350, 9083425, 9810099, 10326420, 10900110, 12577050, 12908025, 13080132, 15092460, 16350165, 17210700, 18166850, 18865575, 19620198, 21800220, 25154100, 25816050, 27250275, 32700330, 36333700, 37731150, 39240396, 49050495, 51632100, 54500550, 65400660, 75462300, 81750825, 98100990, 109001100, 163501650, 196201980, 245252475, 327003300, 490504950, 981009900]

約数ペア:

[(1, 981009900), (2, 490504950), (3, 327003300), (4, 245252475), (5, 196201980), (6, 163501650), (9, 109001100), (10, 98100990), (12, 81750825), (13, 75462300), (15, 65400660), (18, 54500550), (19, 51632100), (20, 49050495), (25, 39240396), (26, 37731150), (27, 36333700), (30, 32700330), (36, 27250275), (38, 25816050), (39, 25154100), (45, 21800220), (50, 19620198), (52, 18865575), (54, 18166850), (57, 17210700), (60, 16350165), (65, 15092460), (75, 13080132), (76, 12908025), (78, 12577050), (90, 10900110), (95, 10326420), (100, 9810099), (108, 9083425), (114, 8605350), (117, 8384700), (130, 7546230), (135, 7266740), (150, 6540066), (156, 6288525), (171, 5736900), (180, 5450055), (190, 5163210), (195, 5030820), (225, 4360044), (228, 4302675), (234, 4192350), (247, 3971700), (260, 3773115), (270, 3633370), (285, 3442140), (300, 3270033), (325, 3018492), (342, 2868450), (351, 2794900), (380, 2581605), (390, 2515410), (450, 2180022), (468, 2096175), (475, 2065284), (494, 1985850), (513, 1912300), (540, 1816685), (570, 1721070), (585, 1676940), (650, 1509246), (675, 1453348), (684, 1434225), (702, 1397450), (741, 1323900), (780, 1257705), (855, 1147380), (900, 1090011), (950, 1032642), (975, 1006164), (988, 992925), (1026, 956150), (1140, 860535), (1170, 838470), (1235, 794340), (1300, 754623), (1350, 726674), (1404, 698725), (1425, 688428), (1471, 666900), (1482, 661950), (1710, 573690), (1755, 558980), (1900, 516321), (1950, 503082), (2052, 478075), (2223, 441300), (2340, 419235), (2470, 397170), (2565, 382460), (2700, 363337), (2850, 344214), (2925, 335388), (2942, 333450), (2964, 330975), (3420, 286845), (3510, 279490), (3705, 264780), (3900, 251541), (4275, 229476), (4413, 222300), (4446, 220650), (4940, 198585), (5130, 191230), (5700, 172107), (5850, 167694), (5884, 166725), (6175, 158868), (6669, 147100), (7020, 139745), (7355, 133380), (7410, 132390), (8550, 114738), (8775, 111796), (8826, 111150), (8892, 110325), (10260, 95615), (11115, 88260), (11700, 83847), (12350, 79434), (12825, 76492), (13239, 74100), (13338, 73550), (14710, 66690), (14820, 66195), (17100, 57369), (17550, 55898), (17652, 55575), (18525, 52956), (19123, 51300), (22065, 44460), (22230, 44130), (24700, 39717), (25650, 38246), (26478, 37050), (26676, 36775), (27949, 35100), (29420, 33345)]