788980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 1677312

約数和(自身を除く): 888332

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 383, 412, 515, 766, 1030, 1532, 1915, 2060, 3830, 7660, 39449, 78898, 157796, 197245, 394490, 788980]

約数ペア:

[(1, 788980), (2, 394490), (4, 197245), (5, 157796), (10, 78898), (20, 39449), (103, 7660), (206, 3830), (383, 2060), (412, 1915), (515, 1532), (766, 1030)]