30820700

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{3463}}^1$

素因数の和:3566

約数の個数: 36

約数和(自身を含む): 67651920

約数和(自身を除く): 36831220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 3463, 4450, 6926, 8900, 13852, 17315, 34630, 69260, 86575, 173150, 308207, 346300, 616414, 1232828, 1541035, 3082070, 6164140, 7705175, 15410350, 30820700]

約数ペア:

[(1, 30820700), (2, 15410350), (4, 7705175), (5, 6164140), (10, 3082070), (20, 1541035), (25, 1232828), (50, 616414), (89, 346300), (100, 308207), (178, 173150), (356, 86575), (445, 69260), (890, 34630), (1780, 17315), (2225, 13852), (3463, 8900), (4450, 6926)]