311902060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{2179}}^1$

素因数の和:2626

約数の個数: 48

約数和(自身を含む): 695489760

約数和(自身を除く): 383587700

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 421, 842, 1684, 2105, 2179, 4210, 4358, 7157, 8420, 8716, 10895, 14314, 21790, 28628, 35785, 37043, 43580, 71570, 74086, 143140, 148172, 185215, 370430, 740860, 917359, 1834718, 3669436, 4586795, 9173590, 15595103, 18347180, 31190206, 62380412, 77975515, 155951030, 311902060]

約数ペア:

[(1, 311902060), (2, 155951030), (4, 77975515), (5, 62380412), (10, 31190206), (17, 18347180), (20, 15595103), (34, 9173590), (68, 4586795), (85, 3669436), (170, 1834718), (340, 917359), (421, 740860), (842, 370430), (1684, 185215), (2105, 148172), (2179, 143140), (4210, 74086), (4358, 71570), (7157, 43580), (8420, 37043), (8716, 35785), (10895, 28628), (14314, 21790)]