68392940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 96

約数和(自身を含む): 181440000

約数和(自身を除く): 113047060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 308, 356, 385, 445, 499, 623, 770, 890, 979, 998, 1246, 1540, 1780, 1958, 1996, 2492, 2495, 3115, 3493, 3916, 4895, 4990, 5489, 6230, 6853, 6986, 9790, 9980, 10978, 12460, 13706, 13972, 17465, 19580, 21956, 27412, 27445, 34265, 34930, 38423, 44411, 54890, 68530, 69860, 76846, 88822, 109780, 137060, 153692, 177644, 192115, 222055, 310877, 384230, 444110, 488521, 621754, 768460, 888220, 977042, 1243508, 1554385, 1954084, 2442605, 3108770, 3419647, 4885210, 6217540, 6839294, 9770420, 13678588, 17098235, 34196470, 68392940]

約数ペア:

[(1, 68392940), (2, 34196470), (4, 17098235), (5, 13678588), (7, 9770420), (10, 6839294), (11, 6217540), (14, 4885210), (20, 3419647), (22, 3108770), (28, 2442605), (35, 1954084), (44, 1554385), (55, 1243508), (70, 977042), (77, 888220), (89, 768460), (110, 621754), (140, 488521), (154, 444110), (178, 384230), (220, 310877), (308, 222055), (356, 192115), (385, 177644), (445, 153692), (499, 137060), (623, 109780), (770, 88822), (890, 76846), (979, 69860), (998, 68530), (1246, 54890), (1540, 44411), (1780, 38423), (1958, 34930), (1996, 34265), (2492, 27445), (2495, 27412), (3115, 21956), (3493, 19580), (3916, 17465), (4895, 13972), (4990, 13706), (5489, 12460), (6230, 10978), (6853, 9980), (6986, 9790)]