280316010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{718759}}^1$

素因数の和:718782

約数の個数: 32

約数和(自身を含む): 724510080

約数和(自身を除く): 444194070

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 718759, 1437518, 2156277, 3593795, 4312554, 7187590, 9343867, 10781385, 18687734, 21562770, 28031601, 46719335, 56063202, 93438670, 140158005, 280316010]

約数ペア:

[(1, 280316010), (2, 140158005), (3, 93438670), (5, 56063202), (6, 46719335), (10, 28031601), (13, 21562770), (15, 18687734), (26, 10781385), (30, 9343867), (39, 7187590), (65, 4312554), (78, 3593795), (130, 2156277), (195, 1437518), (390, 718759)]