202287890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17729}}^1$

素因数の和:17906

約数の個数: 32

約数和(自身を含む): 418711680

約数和(自身を除く): 216423790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 2282, 5705, 11410, 17729, 35458, 88645, 124103, 177290, 248206, 620515, 1241030, 2889827, 5779654, 14449135, 20228789, 28898270, 40457578, 101143945, 202287890]

約数ペア:

[(1, 202287890), (2, 101143945), (5, 40457578), (7, 28898270), (10, 20228789), (14, 14449135), (35, 5779654), (70, 2889827), (163, 1241030), (326, 620515), (815, 248206), (1141, 177290), (1630, 124103), (2282, 88645), (5705, 35458), (11410, 17729)]