209156520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1742971}}^1$

素因数の和:1742985

約数の個数: 32

約数和(自身を含む): 627469920

約数和(自身を除く): 418313400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1742971, 3485942, 5228913, 6971884, 8714855, 10457826, 13943768, 17429710, 20915652, 26144565, 34859420, 41831304, 52289130, 69718840, 104578260, 209156520]

約数ペア:

[(1, 209156520), (2, 104578260), (3, 69718840), (4, 52289130), (5, 41831304), (6, 34859420), (8, 26144565), (10, 20915652), (12, 17429710), (15, 13943768), (20, 10457826), (24, 8714855), (30, 6971884), (40, 5228913), (60, 3485942), (120, 1742971)]