210570280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{78571}}^1$

素因数の和:78649

約数の個数: 32

約数和(自身を含む): 480860640

約数和(自身を除く): 270290360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 78571, 157142, 314284, 392855, 628568, 785710, 1571420, 3142840, 5264257, 10528514, 21057028, 26321285, 42114056, 52642570, 105285140, 210570280]

約数ペア:

[(1, 210570280), (2, 105285140), (4, 52642570), (5, 42114056), (8, 26321285), (10, 21057028), (20, 10528514), (40, 5264257), (67, 3142840), (134, 1571420), (268, 785710), (335, 628568), (536, 392855), (670, 314284), (1340, 157142), (2680, 78571)]