685290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 1679616

約数和(自身を除く): 994326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 431, 530, 795, 862, 1293, 1590, 2155, 2586, 4310, 6465, 12930, 22843, 45686, 68529, 114215, 137058, 228430, 342645, 685290]

約数ペア:

[(1, 685290), (2, 342645), (3, 228430), (5, 137058), (6, 114215), (10, 68529), (15, 45686), (30, 22843), (53, 12930), (106, 6465), (159, 4310), (265, 2586), (318, 2155), (431, 1590), (530, 1293), (795, 862)]