253343740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{8623}}^1$

素因数の和:8758

約数の個数: 48

約数和(自身を含む): 578083968

約数和(自身を除く): 324740228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1469, 2260, 2938, 5876, 7345, 8623, 14690, 17246, 29380, 34492, 43115, 86230, 112099, 172460, 224198, 448396, 560495, 974399, 1120990, 1948798, 2241980, 3897596, 4871995, 9743990, 12667187, 19487980, 25334374, 50668748, 63335935, 126671870, 253343740]

約数ペア:

[(1, 253343740), (2, 126671870), (4, 63335935), (5, 50668748), (10, 25334374), (13, 19487980), (20, 12667187), (26, 9743990), (52, 4871995), (65, 3897596), (113, 2241980), (130, 1948798), (226, 1120990), (260, 974399), (452, 560495), (565, 448396), (1130, 224198), (1469, 172460), (2260, 112099), (2938, 86230), (5876, 43115), (7345, 34492), (8623, 29380), (14690, 17246)]