201990510545

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1\times {\mathrm{4519}}^1$

素因数の和:6137

約数の個数: 32

約数和(自身を含む): 249027989760

約数和(自身を除く): 47037479215

約数列:

[1, 5, 61, 101, 305, 505, 1451, 4519, 6161, 7255, 22595, 30805, 88511, 146551, 275659, 442555, 456419, 732755, 1378295, 2282095, 6557069, 8939611, 27841559, 32785345, 44698055, 139207795, 399981209, 662263969, 1999906045, 3311319845, 40398102109, 201990510545]

約数ペア:

[(1, 201990510545), (5, 40398102109), (61, 3311319845), (101, 1999906045), (305, 662263969), (505, 399981209), (1451, 139207795), (4519, 44698055), (6161, 32785345), (7255, 27841559), (22595, 8939611), (30805, 6557069), (88511, 2282095), (146551, 1378295), (275659, 732755), (442555, 456419)]