203148640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{74687}}^1$

素因数の和:74719

約数の個数: 48

約数和(自身を含む): 508177152

約数和(自身を除く): 305028512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 74687, 149374, 298748, 373435, 597496, 746870, 1194992, 1269679, 1493740, 2389984, 2539358, 2987480, 5078716, 5974960, 6348395, 10157432, 11949920, 12696790, 20314864, 25393580, 40629728, 50787160, 101574320, 203148640]

約数ペア:

[(1, 203148640), (2, 101574320), (4, 50787160), (5, 40629728), (8, 25393580), (10, 20314864), (16, 12696790), (17, 11949920), (20, 10157432), (32, 6348395), (34, 5974960), (40, 5078716), (68, 2987480), (80, 2539358), (85, 2389984), (136, 1493740), (160, 1269679), (170, 1194992), (272, 746870), (340, 597496), (544, 373435), (680, 298748), (1360, 149374), (2720, 74687)]