309709072

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{245023}}^1$

素因数の和:245110

約数の個数: 20

約数和(自身を含む): 607659520

約数和(自身を除く): 297950448

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 245023, 490046, 980092, 1960184, 3920368, 19356817, 38713634, 77427268, 154854536, 309709072]

約数ペア:

[(1, 309709072), (2, 154854536), (4, 77427268), (8, 38713634), (16, 19356817), (79, 3920368), (158, 1960184), (316, 980092), (632, 490046), (1264, 245023)]