9770420

素因数分解:

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

素因数の和:608

約数の個数: 48

約数和(自身を含む): 22680000

約数和(自身を除く): 12909580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 499, 890, 979, 998, 1780, 1958, 1996, 2495, 3916, 4895, 4990, 5489, 9790, 9980, 10978, 19580, 21956, 27445, 44411, 54890, 88822, 109780, 177644, 222055, 444110, 488521, 888220, 977042, 1954084, 2442605, 4885210, 9770420]

約数ペア:

[(1, 9770420), (2, 4885210), (4, 2442605), (5, 1954084), (10, 977042), (11, 888220), (20, 488521), (22, 444110), (44, 222055), (55, 177644), (89, 109780), (110, 88822), (178, 54890), (220, 44411), (356, 27445), (445, 21956), (499, 19580), (890, 10978), (979, 9980), (998, 9790), (1780, 5489), (1958, 4990), (1996, 4895), (2495, 3916)]