154985140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127037}}^1$

素因数の和:127107

約数の個数: 24

約数和(自身を含む): 330806952

約数和(自身を除く): 175821812

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 127037, 254074, 508148, 635185, 1270370, 2540740, 7749257, 15498514, 30997028, 38746285, 77492570, 154985140]

約数ペア:

[(1, 154985140), (2, 77492570), (4, 38746285), (5, 30997028), (10, 15498514), (20, 7749257), (61, 2540740), (122, 1270370), (244, 635185), (305, 508148), (610, 254074), (1220, 127037)]