684380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1829

約数の個数: 24

約数和(自身を含む): 1513680

約数和(自身を除く): 829300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1801, 3602, 7204, 9005, 18010, 34219, 36020, 68438, 136876, 171095, 342190, 684380]

約数ペア:

[(1, 684380), (2, 342190), (4, 171095), (5, 136876), (10, 68438), (19, 36020), (20, 34219), (38, 18010), (76, 9005), (95, 7204), (190, 3602), (380, 1801)]