7139920460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{63647}}^1$

素因数の和:63806

約数の個数: 48

約数和(自身を含む): 15397724160

約数和(自身を除く): 8257803700

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 710, 790, 1420, 1580, 5609, 11218, 22436, 28045, 56090, 63647, 112180, 127294, 254588, 318235, 636470, 1272940, 4518937, 5028113, 9037874, 10056226, 18075748, 20112452, 22594685, 25140565, 45189370, 50281130, 90378740, 100562260, 356996023, 713992046, 1427984092, 1784980115, 3569960230, 7139920460]

約数ペア:

[(1, 7139920460), (2, 3569960230), (4, 1784980115), (5, 1427984092), (10, 713992046), (20, 356996023), (71, 100562260), (79, 90378740), (142, 50281130), (158, 45189370), (284, 25140565), (316, 22594685), (355, 20112452), (395, 18075748), (710, 10056226), (790, 9037874), (1420, 5028113), (1580, 4518937), (5609, 1272940), (11218, 636470), (22436, 318235), (28045, 254588), (56090, 127294), (63647, 112180)]