408029960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{2917}}^1$

素因数の和:3210

約数の個数: 64

約数和(自身を含む): 992703600

約数和(自身を除く): 584673640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 520, 538, 1076, 1345, 2152, 2690, 2917, 3497, 5380, 5834, 6994, 10760, 11668, 13988, 14585, 17485, 23336, 27976, 29170, 34970, 37921, 58340, 69940, 75842, 116680, 139880, 151684, 189605, 303368, 379210, 758420, 784673, 1516840, 1569346, 3138692, 3923365, 6277384, 7846730, 10200749, 15693460, 20401498, 31386920, 40802996, 51003745, 81605992, 102007490, 204014980, 408029960]

約数ペア:

[(1, 408029960), (2, 204014980), (4, 102007490), (5, 81605992), (8, 51003745), (10, 40802996), (13, 31386920), (20, 20401498), (26, 15693460), (40, 10200749), (52, 7846730), (65, 6277384), (104, 3923365), (130, 3138692), (260, 1569346), (269, 1516840), (520, 784673), (538, 758420), (1076, 379210), (1345, 303368), (2152, 189605), (2690, 151684), (2917, 139880), (3497, 116680), (5380, 75842), (5834, 69940), (6994, 58340), (10760, 37921), (11668, 34970), (13988, 29170), (14585, 27976), (17485, 23336)]