68793890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2731}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 135725760

約数和(自身を除く): 66931870

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 229, 458, 1145, 2290, 2519, 2731, 5038, 5462, 12595, 13655, 25190, 27310, 30041, 60082, 150205, 300410, 625399, 1250798, 3126995, 6253990, 6879389, 13758778, 34396945, 68793890]

約数ペア:

[(1, 68793890), (2, 34396945), (5, 13758778), (10, 6879389), (11, 6253990), (22, 3126995), (55, 1250798), (110, 625399), (229, 300410), (458, 150205), (1145, 60082), (2290, 30041), (2519, 27310), (2731, 25190), (5038, 13655), (5462, 12595)]