645616270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{171251}}^1$

素因数の和:171300

約数の個数: 32

約数和(自身を含む): 1294665120

約数和(自身を除く): 649048850

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 171251, 342502, 856255, 1712510, 2226263, 4452526, 4966279, 9932558, 11131315, 22262630, 24831395, 49662790, 64561627, 129123254, 322808135, 645616270]

約数ペア:

[(1, 645616270), (2, 322808135), (5, 129123254), (10, 64561627), (13, 49662790), (26, 24831395), (29, 22262630), (58, 11131315), (65, 9932558), (130, 4966279), (145, 4452526), (290, 2226263), (377, 1712510), (754, 856255), (1885, 342502), (3770, 171251)]