30211120

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3739}}^1$

素因数の和:3853

約数の個数: 40

約数和(自身を含む): 70955280

約数和(自身を除く): 40744160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3739, 4040, 7478, 8080, 14956, 18695, 29912, 37390, 59824, 74780, 149560, 299120, 377639, 755278, 1510556, 1888195, 3021112, 3776390, 6042224, 7552780, 15105560, 30211120]

約数ペア:

[(1, 30211120), (2, 15105560), (4, 7552780), (5, 6042224), (8, 3776390), (10, 3021112), (16, 1888195), (20, 1510556), (40, 755278), (80, 377639), (101, 299120), (202, 149560), (404, 74780), (505, 59824), (808, 37390), (1010, 29912), (1616, 18695), (2020, 14956), (3739, 8080), (4040, 7478)]