245165710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{13859}}^1$

素因数の和:13956

約数の個数: 32

約数和(自身を含む): 464032800

約数和(自身を除く): 218867090

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 8845, 13859, 17690, 27718, 69295, 138590, 401911, 803822, 845399, 1690798, 2009555, 4019110, 4226995, 8453990, 24516571, 49033142, 122582855, 245165710]

約数ペア:

[(1, 245165710), (2, 122582855), (5, 49033142), (10, 24516571), (29, 8453990), (58, 4226995), (61, 4019110), (122, 2009555), (145, 1690798), (290, 845399), (305, 803822), (610, 401911), (1769, 138590), (3538, 69295), (8845, 27718), (13859, 17690)]