129343780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{911}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 281917440

約数和(自身を除く): 152573660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 620, 911, 916, 1145, 1822, 2290, 3644, 4555, 4580, 7099, 9110, 14198, 18220, 28241, 28396, 35495, 56482, 70990, 112964, 141205, 141980, 208619, 282410, 417238, 564820, 834476, 1043095, 2086190, 4172380, 6467189, 12934378, 25868756, 32335945, 64671890, 129343780]

約数ペア:

[(1, 129343780), (2, 64671890), (4, 32335945), (5, 25868756), (10, 12934378), (20, 6467189), (31, 4172380), (62, 2086190), (124, 1043095), (155, 834476), (229, 564820), (310, 417238), (458, 282410), (620, 208619), (911, 141980), (916, 141205), (1145, 112964), (1822, 70990), (2290, 56482), (3644, 35495), (4555, 28396), (4580, 28241), (7099, 18220), (9110, 14198)]