398228220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 288

約数和(自身を含む): 1403438400

約数和(自身を除く): 1005210180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 53, 57, 60, 65, 76, 78, 90, 95, 106, 114, 117, 130, 156, 159, 169, 171, 180, 190, 195, 212, 228, 234, 247, 260, 265, 285, 318, 338, 342, 380, 390, 468, 477, 494, 507, 530, 570, 585, 636, 676, 684, 689, 741, 780, 795, 845, 855, 954, 988, 1007, 1014, 1060, 1140, 1170, 1235, 1378, 1482, 1521, 1590, 1690, 1710, 1908, 2014, 2028, 2067, 2197, 2223, 2340, 2385, 2470, 2535, 2756, 2964, 3021, 3042, 3180, 3211, 3380, 3420, 3445, 3705, 4028, 4134, 4394, 4446, 4770, 4940, 5035, 5070, 6042, 6084, 6201, 6422, 6591, 6890, 7410, 7605, 8268, 8788, 8892, 8957, 9063, 9540, 9633, 10070, 10140, 10335, 10985, 11115, 12084, 12402, 12844, 13091, 13182, 13780, 14820, 15105, 15210, 16055, 17914, 18126, 19266, 19773, 20140, 20670, 21970, 22230, 24804, 26182, 26364, 26871, 28899, 30210, 30420, 31005, 32110, 32955, 35828, 36252, 38532, 39273, 39546, 41340, 41743, 43940, 44460, 44785, 45315, 48165, 52364, 53742, 57798, 60420, 62010, 64220, 65455, 65910, 78546, 79092, 80613, 83486, 89570, 90630, 96330, 98865, 107484, 115596, 116441, 117819, 124020, 125229, 130910, 131820, 134355, 144495, 157092, 161226, 166972, 170183, 179140, 181260, 192660, 196365, 197730, 208715, 232882, 235638, 250458, 261820, 268710, 288990, 322452, 340366, 349323, 375687, 392730, 395460, 403065, 417430, 465764, 471276, 500916, 510549, 537420, 577980, 582205, 589095, 626145, 680732, 698646, 751374, 785460, 806130, 834860, 850915, 1021098, 1047969, 1164410, 1178190, 1252290, 1397292, 1502748, 1531647, 1612260, 1701830, 1746615, 1878435, 2042196, 2095938, 2212379, 2328820, 2356380, 2504580, 2552745, 3063294, 3403660, 3493230, 3756870, 4191876, 4424758, 5105490, 5239845, 6126588, 6637137, 6986460, 7513740, 7658235, 8849516, 10210980, 10479690, 11061895, 13274274, 15316470, 19911411, 20959380, 22123790, 26548548, 30632940, 33185685, 39822822, 44247580, 66371370, 79645644, 99557055, 132742740, 199114110, 398228220]

約数ペア:

[(1, 398228220), (2, 199114110), (3, 132742740), (4, 99557055), (5, 79645644), (6, 66371370), (9, 44247580), (10, 39822822), (12, 33185685), (13, 30632940), (15, 26548548), (18, 22123790), (19, 20959380), (20, 19911411), (26, 15316470), (30, 13274274), (36, 11061895), (38, 10479690), (39, 10210980), (45, 8849516), (52, 7658235), (53, 7513740), (57, 6986460), (60, 6637137), (65, 6126588), (76, 5239845), (78, 5105490), (90, 4424758), (95, 4191876), (106, 3756870), (114, 3493230), (117, 3403660), (130, 3063294), (156, 2552745), (159, 2504580), (169, 2356380), (171, 2328820), (180, 2212379), (190, 2095938), (195, 2042196), (212, 1878435), (228, 1746615), (234, 1701830), (247, 1612260), (260, 1531647), (265, 1502748), (285, 1397292), (318, 1252290), (338, 1178190), (342, 1164410), (380, 1047969), (390, 1021098), (468, 850915), (477, 834860), (494, 806130), (507, 785460), (530, 751374), (570, 698646), (585, 680732), (636, 626145), (676, 589095), (684, 582205), (689, 577980), (741, 537420), (780, 510549), (795, 500916), (845, 471276), (855, 465764), (954, 417430), (988, 403065), (1007, 395460), (1014, 392730), (1060, 375687), (1140, 349323), (1170, 340366), (1235, 322452), (1378, 288990), (1482, 268710), (1521, 261820), (1590, 250458), (1690, 235638), (1710, 232882), (1908, 208715), (2014, 197730), (2028, 196365), (2067, 192660), (2197, 181260), (2223, 179140), (2340, 170183), (2385, 166972), (2470, 161226), (2535, 157092), (2756, 144495), (2964, 134355), (3021, 131820), (3042, 130910), (3180, 125229), (3211, 124020), (3380, 117819), (3420, 116441), (3445, 115596), (3705, 107484), (4028, 98865), (4134, 96330), (4394, 90630), (4446, 89570), (4770, 83486), (4940, 80613), (5035, 79092), (5070, 78546), (6042, 65910), (6084, 65455), (6201, 64220), (6422, 62010), (6591, 60420), (6890, 57798), (7410, 53742), (7605, 52364), (8268, 48165), (8788, 45315), (8892, 44785), (8957, 44460), (9063, 43940), (9540, 41743), (9633, 41340), (10070, 39546), (10140, 39273), (10335, 38532), (10985, 36252), (11115, 35828), (12084, 32955), (12402, 32110), (12844, 31005), (13091, 30420), (13182, 30210), (13780, 28899), (14820, 26871), (15105, 26364), (15210, 26182), (16055, 24804), (17914, 22230), (18126, 21970), (19266, 20670), (19773, 20140)]