2017199660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47869}}^1$

素因数の和:47935

約数の個数: 72

約数和(自身を含む): 5042434320

約数和(自身を除く): 3025234660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 21070, 42140, 47869, 95738, 191476, 239345, 335083, 478690, 670166, 957380, 1340332, 1675415, 2058367, 2345581, 3350830, 4116734, 4691162, 6701660, 8233468, 9382324, 10291835, 11727905, 14408569, 20583670, 23455810, 28817138, 41167340, 46911620, 57634276, 72042845, 100859983, 144085690, 201719966, 288171380, 403439932, 504299915, 1008599830, 2017199660]

約数ペア:

[(1, 2017199660), (2, 1008599830), (4, 504299915), (5, 403439932), (7, 288171380), (10, 201719966), (14, 144085690), (20, 100859983), (28, 72042845), (35, 57634276), (43, 46911620), (49, 41167340), (70, 28817138), (86, 23455810), (98, 20583670), (140, 14408569), (172, 11727905), (196, 10291835), (215, 9382324), (245, 8233468), (301, 6701660), (430, 4691162), (490, 4116734), (602, 3350830), (860, 2345581), (980, 2058367), (1204, 1675415), (1505, 1340332), (2107, 957380), (3010, 670166), (4214, 478690), (6020, 335083), (8428, 239345), (10535, 191476), (21070, 95738), (42140, 47869)]