311962020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{20231}}^1$

素因数の和:20500

約数の個数: 48

約数和(自身を含む): 876935808

約数和(自身を除く): 564973788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 7710, 15420, 20231, 40462, 60693, 80924, 101155, 121386, 202310, 242772, 303465, 404620, 606930, 1213860, 5199367, 10398734, 15598101, 20797468, 25996835, 31196202, 51993670, 62392404, 77990505, 103987340, 155981010, 311962020]

約数ペア:

[(1, 311962020), (2, 155981010), (3, 103987340), (4, 77990505), (5, 62392404), (6, 51993670), (10, 31196202), (12, 25996835), (15, 20797468), (20, 15598101), (30, 10398734), (60, 5199367), (257, 1213860), (514, 606930), (771, 404620), (1028, 303465), (1285, 242772), (1542, 202310), (2570, 121386), (3084, 101155), (3855, 80924), (5140, 60693), (7710, 40462), (15420, 20231)]