68248100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 153740160

約数和(自身を除く): 85492060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 79, 100, 106, 158, 163, 212, 265, 316, 326, 395, 530, 652, 790, 815, 1060, 1325, 1580, 1630, 1975, 2650, 3260, 3950, 4075, 4187, 5300, 7900, 8150, 8374, 8639, 12877, 16300, 16748, 17278, 20935, 25754, 34556, 41870, 43195, 51508, 64385, 83740, 86390, 104675, 128770, 172780, 209350, 215975, 257540, 321925, 418700, 431950, 643850, 682481, 863900, 1287700, 1364962, 2729924, 3412405, 6824810, 13649620, 17062025, 34124050, 68248100]

約数ペア:

[(1, 68248100), (2, 34124050), (4, 17062025), (5, 13649620), (10, 6824810), (20, 3412405), (25, 2729924), (50, 1364962), (53, 1287700), (79, 863900), (100, 682481), (106, 643850), (158, 431950), (163, 418700), (212, 321925), (265, 257540), (316, 215975), (326, 209350), (395, 172780), (530, 128770), (652, 104675), (790, 86390), (815, 83740), (1060, 64385), (1325, 51508), (1580, 43195), (1630, 41870), (1975, 34556), (2650, 25754), (3260, 20935), (3950, 17278), (4075, 16748), (4187, 16300), (5300, 12877), (7900, 8639), (8150, 8374)]