219098980

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{28603}}^1$

素因数の和:28995

約数の個数: 24

約数和(自身を含む): 461325312

約数和(自身を除く): 242226332

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 28603, 57206, 114412, 143015, 286030, 572060, 10954949, 21909898, 43819796, 54774745, 109549490, 219098980]

約数ペア:

[(1, 219098980), (2, 109549490), (4, 54774745), (5, 43819796), (10, 21909898), (20, 10954949), (383, 572060), (766, 286030), (1532, 143015), (1915, 114412), (3830, 57206), (7660, 28603)]