108784580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 238909440

約数和(自身を除く): 130124860

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 620, 790, 1580, 2221, 2449, 4442, 4898, 8884, 9796, 11105, 12245, 22210, 24490, 44420, 48980, 68851, 137702, 175459, 275404, 344255, 350918, 688510, 701836, 877295, 1377020, 1754590, 3509180, 5439229, 10878458, 21756916, 27196145, 54392290, 108784580]

約数ペア:

[(1, 108784580), (2, 54392290), (4, 27196145), (5, 21756916), (10, 10878458), (20, 5439229), (31, 3509180), (62, 1754590), (79, 1377020), (124, 877295), (155, 701836), (158, 688510), (310, 350918), (316, 344255), (395, 275404), (620, 175459), (790, 137702), (1580, 68851), (2221, 48980), (2449, 44420), (4442, 24490), (4898, 22210), (8884, 12245), (9796, 11105)]