845647540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{3847}}^1$

素因数の和:4264

約数の個数: 48

約数和(自身を含む): 1842422400

約数和(自身を除く): 996774860

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 379, 580, 758, 1516, 1895, 3790, 3847, 7580, 7694, 10991, 15388, 19235, 21982, 38470, 43964, 54955, 76940, 109910, 111563, 219820, 223126, 446252, 557815, 1115630, 1458013, 2231260, 2916026, 5832052, 7290065, 14580130, 29160260, 42282377, 84564754, 169129508, 211411885, 422823770, 845647540]

約数ペア:

[(1, 845647540), (2, 422823770), (4, 211411885), (5, 169129508), (10, 84564754), (20, 42282377), (29, 29160260), (58, 14580130), (116, 7290065), (145, 5832052), (290, 2916026), (379, 2231260), (580, 1458013), (758, 1115630), (1516, 557815), (1895, 446252), (3790, 223126), (3847, 219820), (7580, 111563), (7694, 109910), (10991, 76940), (15388, 54955), (19235, 43964), (21982, 38470)]