72154730

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 133650000

約数和(自身を除く): 61495270

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 530, 545, 1090, 1249, 2498, 5777, 6245, 11554, 12490, 28885, 57770, 66197, 132394, 136141, 272282, 330985, 661970, 680705, 1361410, 7215473, 14430946, 36077365, 72154730]

約数ペア:

[(1, 72154730), (2, 36077365), (5, 14430946), (10, 7215473), (53, 1361410), (106, 680705), (109, 661970), (218, 330985), (265, 272282), (530, 136141), (545, 132394), (1090, 66197), (1249, 57770), (2498, 28885), (5777, 12490), (6245, 11554)]