212156620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2153}}^1$

素因数の和:2554

約数の個数: 48

約数和(自身を含む): 481289760

約数和(自身を除く): 269133140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 2153, 3790, 4306, 4927, 7580, 8612, 9854, 10765, 19708, 21530, 24635, 27989, 43060, 49270, 55978, 98540, 111956, 139945, 279890, 559780, 815987, 1631974, 3263948, 4079935, 8159870, 10607831, 16319740, 21215662, 42431324, 53039155, 106078310, 212156620]

約数ペア:

[(1, 212156620), (2, 106078310), (4, 53039155), (5, 42431324), (10, 21215662), (13, 16319740), (20, 10607831), (26, 8159870), (52, 4079935), (65, 3263948), (130, 1631974), (260, 815987), (379, 559780), (758, 279890), (1516, 139945), (1895, 111956), (2153, 98540), (3790, 55978), (4306, 49270), (4927, 43060), (7580, 27989), (8612, 24635), (9854, 21530), (10765, 19708)]