221446160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2999}}^1$

素因数の和:3096

約数の個数: 80

約数和(自身を含む): 562464000

約数和(自身を除く): 341017840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1136, 1420, 1846, 2840, 2999, 3692, 4615, 5680, 5998, 7384, 9230, 11996, 14768, 14995, 18460, 23992, 29990, 36920, 38987, 47984, 59980, 73840, 77974, 119960, 155948, 194935, 212929, 239920, 311896, 389870, 425858, 623792, 779740, 851716, 1064645, 1559480, 1703432, 2129290, 2768077, 3118960, 3406864, 4258580, 5536154, 8517160, 11072308, 13840385, 17034320, 22144616, 27680770, 44289232, 55361540, 110723080, 221446160]

約数ペア:

[(1, 221446160), (2, 110723080), (4, 55361540), (5, 44289232), (8, 27680770), (10, 22144616), (13, 17034320), (16, 13840385), (20, 11072308), (26, 8517160), (40, 5536154), (52, 4258580), (65, 3406864), (71, 3118960), (80, 2768077), (104, 2129290), (130, 1703432), (142, 1559480), (208, 1064645), (260, 851716), (284, 779740), (355, 623792), (520, 425858), (568, 389870), (710, 311896), (923, 239920), (1040, 212929), (1136, 194935), (1420, 155948), (1846, 119960), (2840, 77974), (2999, 73840), (3692, 59980), (4615, 47984), (5680, 38987), (5998, 36920), (7384, 29990), (9230, 23992), (11996, 18460), (14768, 14995)]