1620291505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{3907}}^1$

素因数の和:3994

約数の個数: 48

約数和(自身を含む): 2418708096

約数和(自身を除く): 798416591

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 289, 595, 697, 1435, 1445, 2023, 3485, 3907, 4879, 10115, 11849, 19535, 24395, 27349, 59245, 66419, 82943, 136745, 160187, 332095, 414715, 464933, 800935, 1121309, 1129123, 2324665, 2723179, 5606545, 5645615, 7903861, 13615895, 19062253, 39519305, 46294043, 95311265, 231470215, 324058301, 1620291505]

約数ペア:

[(1, 1620291505), (5, 324058301), (7, 231470215), (17, 95311265), (35, 46294043), (41, 39519305), (85, 19062253), (119, 13615895), (205, 7903861), (287, 5645615), (289, 5606545), (595, 2723179), (697, 2324665), (1435, 1129123), (1445, 1121309), (2023, 800935), (3485, 464933), (3907, 414715), (4879, 332095), (10115, 160187), (11849, 136745), (19535, 82943), (24395, 66419), (27349, 59245)]