78344570

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 143337600

約数和(自身を除く): 64993030

約数列:

[1, 2, 5, 10, 139, 157, 278, 314, 359, 695, 718, 785, 1390, 1570, 1795, 3590, 21823, 43646, 49901, 56363, 99802, 109115, 112726, 218230, 249505, 281815, 499010, 563630, 7834457, 15668914, 39172285, 78344570]

約数ペア:

[(1, 78344570), (2, 39172285), (5, 15668914), (10, 7834457), (139, 563630), (157, 499010), (278, 281815), (314, 249505), (359, 218230), (695, 112726), (718, 109115), (785, 99802), (1390, 56363), (1570, 49901), (1795, 43646), (3590, 21823)]