28042620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2447}}^1$

素因数の和:2650

約数の個数: 48

約数和(自身を含む): 78962688

約数和(自身を除く): 50920068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1910, 2292, 2447, 2865, 3820, 4894, 5730, 7341, 9788, 11460, 12235, 14682, 24470, 29364, 36705, 48940, 73410, 146820, 467377, 934754, 1402131, 1869508, 2336885, 2804262, 4673770, 5608524, 7010655, 9347540, 14021310, 28042620]

約数ペア:

[(1, 28042620), (2, 14021310), (3, 9347540), (4, 7010655), (5, 5608524), (6, 4673770), (10, 2804262), (12, 2336885), (15, 1869508), (20, 1402131), (30, 934754), (60, 467377), (191, 146820), (382, 73410), (573, 48940), (764, 36705), (955, 29364), (1146, 24470), (1910, 14682), (2292, 12235), (2447, 11460), (2865, 9788), (3820, 7341), (4894, 5730)]