497869840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{983}}^1$

素因数の和:1496

約数の個数: 80

約数和(自身を含む): 1250419968

約数和(自身を除く): 752550128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 487, 520, 974, 983, 1040, 1948, 1966, 2435, 3896, 3932, 4870, 4915, 6331, 7792, 7864, 9740, 9830, 12662, 12779, 15728, 19480, 19660, 25324, 25558, 31655, 38960, 39320, 50648, 51116, 63310, 63895, 78640, 101296, 102232, 126620, 127790, 204464, 253240, 255580, 478721, 506480, 511160, 957442, 1022320, 1914884, 2393605, 3829768, 4787210, 6223373, 7659536, 9574420, 12446746, 19148840, 24893492, 31116865, 38297680, 49786984, 62233730, 99573968, 124467460, 248934920, 497869840]

約数ペア:

[(1, 497869840), (2, 248934920), (4, 124467460), (5, 99573968), (8, 62233730), (10, 49786984), (13, 38297680), (16, 31116865), (20, 24893492), (26, 19148840), (40, 12446746), (52, 9574420), (65, 7659536), (80, 6223373), (104, 4787210), (130, 3829768), (208, 2393605), (260, 1914884), (487, 1022320), (520, 957442), (974, 511160), (983, 506480), (1040, 478721), (1948, 255580), (1966, 253240), (2435, 204464), (3896, 127790), (3932, 126620), (4870, 102232), (4915, 101296), (6331, 78640), (7792, 63895), (7864, 63310), (9740, 51116), (9830, 50648), (12662, 39320), (12779, 38960), (15728, 31655), (19480, 25558), (19660, 25324)]