379890160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21487}}^1$

素因数の和:21530

約数の個数: 80

約数和(自身を含む): 1007185536

約数和(自身を除く): 627295376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 21487, 42974, 85948, 107435, 171896, 214870, 279331, 343792, 365279, 429740, 558662, 730558, 859480, 1117324, 1396655, 1461116, 1718960, 1826395, 2234648, 2793310, 2922232, 3652790, 4469296, 4748627, 5586620, 5844464, 7305580, 9497254, 11173240, 14611160, 18994508, 22346480, 23743135, 29222320, 37989016, 47486270, 75978032, 94972540, 189945080, 379890160]

約数ペア:

[(1, 379890160), (2, 189945080), (4, 94972540), (5, 75978032), (8, 47486270), (10, 37989016), (13, 29222320), (16, 23743135), (17, 22346480), (20, 18994508), (26, 14611160), (34, 11173240), (40, 9497254), (52, 7305580), (65, 5844464), (68, 5586620), (80, 4748627), (85, 4469296), (104, 3652790), (130, 2922232), (136, 2793310), (170, 2234648), (208, 1826395), (221, 1718960), (260, 1461116), (272, 1396655), (340, 1117324), (442, 859480), (520, 730558), (680, 558662), (884, 429740), (1040, 365279), (1105, 343792), (1360, 279331), (1768, 214870), (2210, 171896), (3536, 107435), (4420, 85948), (8840, 42974), (17680, 21487)]