450778640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2909}}^1$

素因数の和:3084

約数の個数: 80

約数和(自身を含む): 1136646000

約数和(自身を除く): 685867360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 520, 596, 745, 1040, 1192, 1490, 1937, 2384, 2909, 2980, 3874, 5818, 5960, 7748, 9685, 11636, 11920, 14545, 15496, 19370, 23272, 29090, 30992, 37817, 38740, 46544, 58180, 75634, 77480, 116360, 151268, 154960, 189085, 232720, 302536, 378170, 433441, 605072, 756340, 866882, 1512680, 1733764, 2167205, 3025360, 3467528, 4334410, 5634733, 6935056, 8668820, 11269466, 17337640, 22538932, 28173665, 34675280, 45077864, 56347330, 90155728, 112694660, 225389320, 450778640]

約数ペア:

[(1, 450778640), (2, 225389320), (4, 112694660), (5, 90155728), (8, 56347330), (10, 45077864), (13, 34675280), (16, 28173665), (20, 22538932), (26, 17337640), (40, 11269466), (52, 8668820), (65, 6935056), (80, 5634733), (104, 4334410), (130, 3467528), (149, 3025360), (208, 2167205), (260, 1733764), (298, 1512680), (520, 866882), (596, 756340), (745, 605072), (1040, 433441), (1192, 378170), (1490, 302536), (1937, 232720), (2384, 189085), (2909, 154960), (2980, 151268), (3874, 116360), (5818, 77480), (5960, 75634), (7748, 58180), (9685, 46544), (11636, 38740), (11920, 37817), (14545, 30992), (15496, 29090), (19370, 23272)]