689480770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{14149}}^1$

素因数の和:14610

約数の個数: 32

約数和(自身を含む): 1357041600

約数和(自身を除く): 667560830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 443, 886, 2215, 4430, 4873, 9746, 14149, 24365, 28298, 48730, 70745, 141490, 155639, 311278, 778195, 1556390, 6268007, 12536014, 31340035, 62680070, 68948077, 137896154, 344740385, 689480770]

約数ペア:

[(1, 689480770), (2, 344740385), (5, 137896154), (10, 68948077), (11, 62680070), (22, 31340035), (55, 12536014), (110, 6268007), (443, 1556390), (886, 778195), (2215, 311278), (4430, 155639), (4873, 141490), (9746, 70745), (14149, 48730), (24365, 28298)]