399771870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:785

約数の個数: 64

約数和(自身を含む): 972988416

約数和(自身を除く): 573216546

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 127, 254, 317, 331, 381, 634, 635, 662, 762, 951, 993, 1270, 1585, 1655, 1902, 1905, 1986, 3170, 3310, 3810, 4755, 4965, 9510, 9930, 40259, 42037, 80518, 84074, 104927, 120777, 126111, 201295, 209854, 210185, 241554, 252222, 314781, 402590, 420370, 524635, 603885, 629562, 630555, 1049270, 1207770, 1261110, 1573905, 3147810, 13325729, 26651458, 39977187, 66628645, 79954374, 133257290, 199885935, 399771870]

約数ペア:

[(1, 399771870), (2, 199885935), (3, 133257290), (5, 79954374), (6, 66628645), (10, 39977187), (15, 26651458), (30, 13325729), (127, 3147810), (254, 1573905), (317, 1261110), (331, 1207770), (381, 1049270), (634, 630555), (635, 629562), (662, 603885), (762, 524635), (951, 420370), (993, 402590), (1270, 314781), (1585, 252222), (1655, 241554), (1902, 210185), (1905, 209854), (1986, 201295), (3170, 126111), (3310, 120777), (3810, 104927), (4755, 84074), (4965, 80518), (9510, 42037), (9930, 40259)]