31292920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2707}}^1$

素因数の和:2752

約数の個数: 48

約数和(自身を含む): 74822040

約数和(自身を除く): 43529120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2707, 2890, 5414, 5780, 10828, 11560, 13535, 21656, 27070, 46019, 54140, 92038, 108280, 184076, 230095, 368152, 460190, 782323, 920380, 1564646, 1840760, 3129292, 3911615, 6258584, 7823230, 15646460, 31292920]

約数ペア:

[(1, 31292920), (2, 15646460), (4, 7823230), (5, 6258584), (8, 3911615), (10, 3129292), (17, 1840760), (20, 1564646), (34, 920380), (40, 782323), (68, 460190), (85, 368152), (136, 230095), (170, 184076), (289, 108280), (340, 92038), (578, 54140), (680, 46019), (1156, 27070), (1445, 21656), (2312, 13535), (2707, 11560), (2890, 10828), (5414, 5780)]