245278520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{599}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 573480000

約数和(自身を除く): 328201480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 353, 580, 599, 706, 1160, 1198, 1412, 1765, 2396, 2824, 2995, 3530, 4792, 5990, 7060, 10237, 11980, 14120, 17371, 20474, 23960, 34742, 40948, 51185, 69484, 81896, 86855, 102370, 138968, 173710, 204740, 211447, 347420, 409480, 422894, 694840, 845788, 1057235, 1691576, 2114470, 4228940, 6131963, 8457880, 12263926, 24527852, 30659815, 49055704, 61319630, 122639260, 245278520]

約数ペア:

[(1, 245278520), (2, 122639260), (4, 61319630), (5, 49055704), (8, 30659815), (10, 24527852), (20, 12263926), (29, 8457880), (40, 6131963), (58, 4228940), (116, 2114470), (145, 1691576), (232, 1057235), (290, 845788), (353, 694840), (580, 422894), (599, 409480), (706, 347420), (1160, 211447), (1198, 204740), (1412, 173710), (1765, 138968), (2396, 102370), (2824, 86855), (2995, 81896), (3530, 69484), (4792, 51185), (5990, 40948), (7060, 34742), (10237, 23960), (11980, 20474), (14120, 17371)]