407770990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{13679}}^1$

素因数の和:13968

約数の個数: 32

約数和(自身を含む): 803727360

約数和(自身を除く): 395956370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 1355, 2710, 2981, 5962, 13679, 14905, 27358, 29810, 68395, 136790, 150469, 300938, 752345, 1504690, 3707009, 7414018, 18535045, 37070090, 40777099, 81554198, 203885495, 407770990]

約数ペア:

[(1, 407770990), (2, 203885495), (5, 81554198), (10, 40777099), (11, 37070090), (22, 18535045), (55, 7414018), (110, 3707009), (271, 1504690), (542, 752345), (1355, 300938), (2710, 150469), (2981, 136790), (5962, 68395), (13679, 29810), (14905, 27358)]