1566255740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157571}}^1$

素因数の和:157658

約数の個数: 48

約数和(自身を含む): 3811981824

約数和(自身を除く): 2245726084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 157571, 315142, 630284, 787855, 1102997, 1575710, 2205994, 3151420, 4411988, 5514985, 11029970, 11187541, 22059940, 22375082, 44750164, 55937705, 78312787, 111875410, 156625574, 223750820, 313251148, 391563935, 783127870, 1566255740]

約数ペア:

[(1, 1566255740), (2, 783127870), (4, 391563935), (5, 313251148), (7, 223750820), (10, 156625574), (14, 111875410), (20, 78312787), (28, 55937705), (35, 44750164), (70, 22375082), (71, 22059940), (140, 11187541), (142, 11029970), (284, 5514985), (355, 4411988), (497, 3151420), (710, 2205994), (994, 1575710), (1420, 1102997), (1988, 787855), (2485, 630284), (4970, 315142), (9940, 157571)]