638872890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{739}}^1\times {\mathrm{28817}}^1$

素因数の和:29566

約数の個数: 32

約数和(自身を含む): 1535423040

約数和(自身を除く): 896550150

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 739, 1478, 2217, 3695, 4434, 7390, 11085, 22170, 28817, 57634, 86451, 144085, 172902, 288170, 432255, 864510, 21295763, 42591526, 63887289, 106478815, 127774578, 212957630, 319436445, 638872890]

約数ペア:

[(1, 638872890), (2, 319436445), (3, 212957630), (5, 127774578), (6, 106478815), (10, 63887289), (15, 42591526), (30, 21295763), (739, 864510), (1478, 432255), (2217, 288170), (3695, 172902), (4434, 144085), (7390, 86451), (11085, 57634), (22170, 28817)]