306865780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1180253}}^1$

素因数の和:1180275

約数の個数: 24

約数和(自身を含む): 693989352

約数和(自身を除く): 387123572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1180253, 2360506, 4721012, 5901265, 11802530, 15343289, 23605060, 30686578, 61373156, 76716445, 153432890, 306865780]

約数ペア:

[(1, 306865780), (2, 153432890), (4, 76716445), (5, 61373156), (10, 30686578), (13, 23605060), (20, 15343289), (26, 11802530), (52, 5901265), (65, 4721012), (130, 2360506), (260, 1180253)]