644770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 32

約数和(自身を含む): 1357056

約数和(自身を除く): 712286

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 151, 302, 305, 427, 610, 755, 854, 1057, 1510, 2114, 2135, 4270, 5285, 9211, 10570, 18422, 46055, 64477, 92110, 128954, 322385, 644770]

約数ペア:

[(1, 644770), (2, 322385), (5, 128954), (7, 92110), (10, 64477), (14, 46055), (35, 18422), (61, 10570), (70, 9211), (122, 5285), (151, 4270), (302, 2135), (305, 2114), (427, 1510), (610, 1057), (755, 854)]