2631460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 6174000

約数和(自身を除く): 3542540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 349, 377, 580, 698, 754, 1396, 1508, 1745, 1885, 3490, 3770, 4537, 6980, 7540, 9074, 10121, 18148, 20242, 22685, 40484, 45370, 50605, 90740, 101210, 131573, 202420, 263146, 526292, 657865, 1315730, 2631460]

約数ペア:

[(1, 2631460), (2, 1315730), (4, 657865), (5, 526292), (10, 263146), (13, 202420), (20, 131573), (26, 101210), (29, 90740), (52, 50605), (58, 45370), (65, 40484), (116, 22685), (130, 20242), (145, 18148), (260, 10121), (290, 9074), (349, 7540), (377, 6980), (580, 4537), (698, 3770), (754, 3490), (1396, 1885), (1508, 1745)]