68018260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 147470400

約数和(自身を除く): 79452140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 569, 695, 860, 1138, 1390, 2276, 2780, 2845, 5690, 5977, 11380, 11954, 23908, 24467, 29885, 48934, 59770, 79091, 97868, 119540, 122335, 158182, 244670, 316364, 395455, 489340, 790910, 1581820, 3400913, 6801826, 13603652, 17004565, 34009130, 68018260]

約数ペア:

[(1, 68018260), (2, 34009130), (4, 17004565), (5, 13603652), (10, 6801826), (20, 3400913), (43, 1581820), (86, 790910), (139, 489340), (172, 395455), (215, 316364), (278, 244670), (430, 158182), (556, 122335), (569, 119540), (695, 97868), (860, 79091), (1138, 59770), (1390, 48934), (2276, 29885), (2780, 24467), (2845, 23908), (5690, 11954), (5977, 11380)]