206899580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1087}}^1$

素因数の和:1434

約数の個数: 48

約数和(自身を含む): 450379776

約数和(自身を除く): 243480196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 1087, 1228, 1535, 2174, 3070, 4348, 5435, 6140, 9517, 10870, 19034, 21740, 33697, 38068, 47585, 67394, 95170, 134788, 168485, 190340, 333709, 336970, 667418, 673940, 1334836, 1668545, 3337090, 6674180, 10344979, 20689958, 41379916, 51724895, 103449790, 206899580]

約数ペア:

[(1, 206899580), (2, 103449790), (4, 51724895), (5, 41379916), (10, 20689958), (20, 10344979), (31, 6674180), (62, 3337090), (124, 1668545), (155, 1334836), (307, 673940), (310, 667418), (614, 336970), (620, 333709), (1087, 190340), (1228, 168485), (1535, 134788), (2174, 95170), (3070, 67394), (4348, 47585), (5435, 38068), (6140, 33697), (9517, 21740), (10870, 19034)]