30924980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1609}}^1$

素因数の和:1680

約数の個数: 36

約数和(自身を含む): 67146660

約数和(自身を除く): 36221680

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1609, 1922, 3218, 3844, 4805, 6436, 8045, 9610, 16090, 19220, 32180, 49879, 99758, 199516, 249395, 498790, 997580, 1546249, 3092498, 6184996, 7731245, 15462490, 30924980]

約数ペア:

[(1, 30924980), (2, 15462490), (4, 7731245), (5, 6184996), (10, 3092498), (20, 1546249), (31, 997580), (62, 498790), (124, 249395), (155, 199516), (310, 99758), (620, 49879), (961, 32180), (1609, 19220), (1922, 16090), (3218, 9610), (3844, 8045), (4805, 6436)]