68614580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 149945040

約数和(自身を除く): 81330460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 281, 290, 421, 562, 580, 842, 1124, 1405, 1684, 2105, 2810, 4210, 5620, 8149, 8420, 12209, 16298, 24418, 32596, 40745, 48836, 61045, 81490, 118301, 122090, 162980, 236602, 244180, 473204, 591505, 1183010, 2366020, 3430729, 6861458, 13722916, 17153645, 34307290, 68614580]

約数ペア:

[(1, 68614580), (2, 34307290), (4, 17153645), (5, 13722916), (10, 6861458), (20, 3430729), (29, 2366020), (58, 1183010), (116, 591505), (145, 473204), (281, 244180), (290, 236602), (421, 162980), (562, 122090), (580, 118301), (842, 81490), (1124, 61045), (1405, 48836), (1684, 40745), (2105, 32596), (2810, 24418), (4210, 16298), (5620, 12209), (8149, 8420)]