30999380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49999}}^1$

素因数の和:50039

約数の個数: 24

約数和(自身を含む): 67200000

約数和(自身を除く): 36200620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 49999, 99998, 199996, 249995, 499990, 999980, 1549969, 3099938, 6199876, 7749845, 15499690, 30999380]

約数ペア:

[(1, 30999380), (2, 15499690), (4, 7749845), (5, 6199876), (10, 3099938), (20, 1549969), (31, 999980), (62, 499990), (124, 249995), (155, 199996), (310, 99998), (620, 49999)]