495779900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 216

約数和(自身を含む): 1406659968

約数和(自身を除く): 910880068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 67, 70, 77, 100, 110, 124, 134, 140, 154, 155, 175, 217, 220, 268, 275, 308, 310, 335, 341, 350, 385, 434, 469, 550, 620, 670, 682, 700, 737, 770, 775, 868, 938, 961, 1085, 1100, 1340, 1364, 1474, 1540, 1550, 1675, 1705, 1876, 1922, 1925, 2077, 2170, 2345, 2387, 2948, 3100, 3350, 3410, 3685, 3844, 3850, 4154, 4340, 4690, 4774, 4805, 5159, 5425, 6700, 6727, 6820, 7370, 7700, 8308, 8525, 9380, 9548, 9610, 10318, 10385, 10571, 10850, 11725, 11935, 13454, 14539, 14740, 17050, 18425, 19220, 20636, 20770, 21142, 21700, 22847, 23450, 23870, 24025, 25795, 26908, 29078, 33635, 34100, 36850, 41540, 42284, 45694, 46900, 47740, 48050, 51590, 51925, 52855, 58156, 59675, 64387, 67270, 72695, 73700, 73997, 91388, 96100, 103180, 103850, 105710, 114235, 119350, 128774, 128975, 134540, 145390, 147994, 159929, 168175, 207700, 211420, 228470, 238700, 257548, 257950, 264275, 290780, 295988, 319858, 321935, 336350, 363475, 369985, 450709, 456940, 515900, 528550, 571175, 639716, 643870, 672700, 708257, 726950, 739970, 799645, 901418, 1057100, 1142350, 1287740, 1416514, 1453900, 1479940, 1599290, 1609675, 1802836, 1849925, 2253545, 2284700, 2833028, 3198580, 3219350, 3541285, 3699850, 3998225, 4507090, 4957799, 6438700, 7082570, 7399700, 7996450, 9014180, 9915598, 11267725, 14165140, 15992900, 17706425, 19831196, 22535450, 24788995, 35412850, 45070900, 49577990, 70825700, 99155980, 123944975, 247889950, 495779900]

約数ペア:

[(1, 495779900), (2, 247889950), (4, 123944975), (5, 99155980), (7, 70825700), (10, 49577990), (11, 45070900), (14, 35412850), (20, 24788995), (22, 22535450), (25, 19831196), (28, 17706425), (31, 15992900), (35, 14165140), (44, 11267725), (50, 9915598), (55, 9014180), (62, 7996450), (67, 7399700), (70, 7082570), (77, 6438700), (100, 4957799), (110, 4507090), (124, 3998225), (134, 3699850), (140, 3541285), (154, 3219350), (155, 3198580), (175, 2833028), (217, 2284700), (220, 2253545), (268, 1849925), (275, 1802836), (308, 1609675), (310, 1599290), (335, 1479940), (341, 1453900), (350, 1416514), (385, 1287740), (434, 1142350), (469, 1057100), (550, 901418), (620, 799645), (670, 739970), (682, 726950), (700, 708257), (737, 672700), (770, 643870), (775, 639716), (868, 571175), (938, 528550), (961, 515900), (1085, 456940), (1100, 450709), (1340, 369985), (1364, 363475), (1474, 336350), (1540, 321935), (1550, 319858), (1675, 295988), (1705, 290780), (1876, 264275), (1922, 257950), (1925, 257548), (2077, 238700), (2170, 228470), (2345, 211420), (2387, 207700), (2948, 168175), (3100, 159929), (3350, 147994), (3410, 145390), (3685, 134540), (3844, 128975), (3850, 128774), (4154, 119350), (4340, 114235), (4690, 105710), (4774, 103850), (4805, 103180), (5159, 96100), (5425, 91388), (6700, 73997), (6727, 73700), (6820, 72695), (7370, 67270), (7700, 64387), (8308, 59675), (8525, 58156), (9380, 52855), (9548, 51925), (9610, 51590), (10318, 48050), (10385, 47740), (10571, 46900), (10850, 45694), (11725, 42284), (11935, 41540), (13454, 36850), (14539, 34100), (14740, 33635), (17050, 29078), (18425, 26908), (19220, 25795), (20636, 24025), (20770, 23870), (21142, 23450), (21700, 22847)]