489190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 979776

約数和(自身を除く): 490586

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 71, 106, 130, 142, 265, 355, 530, 689, 710, 923, 1378, 1846, 3445, 3763, 4615, 6890, 7526, 9230, 18815, 37630, 48919, 97838, 244595, 489190]

約数ペア:

[(1, 489190), (2, 244595), (5, 97838), (10, 48919), (13, 37630), (26, 18815), (53, 9230), (65, 7526), (71, 6890), (106, 4615), (130, 3763), (142, 3445), (265, 1846), (355, 1378), (530, 923), (689, 710)]