71475740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1663}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 172204032

約数和(自身を除く): 100728292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1535, 1663, 2149, 3070, 3326, 4298, 6140, 6652, 8315, 8596, 10745, 11641, 16630, 21490, 23282, 33260, 42980, 46564, 58205, 116410, 232820, 510541, 1021082, 2042164, 2552705, 3573787, 5105410, 7147574, 10210820, 14295148, 17868935, 35737870, 71475740]

約数ペア:

[(1, 71475740), (2, 35737870), (4, 17868935), (5, 14295148), (7, 10210820), (10, 7147574), (14, 5105410), (20, 3573787), (28, 2552705), (35, 2042164), (70, 1021082), (140, 510541), (307, 232820), (614, 116410), (1228, 58205), (1535, 46564), (1663, 42980), (2149, 33260), (3070, 23282), (3326, 21490), (4298, 16630), (6140, 11641), (6652, 10745), (8315, 8596)]