389611930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1\times {\mathrm{2647}}^1$

素因数の和:3054

約数の個数: 32

約数和(自身を含む): 720679680

約数和(自身を除く): 331067750

約数列:

[1, 2, 5, 10, 41, 82, 205, 359, 410, 718, 1795, 2647, 3590, 5294, 13235, 14719, 26470, 29438, 73595, 108527, 147190, 217054, 542635, 950273, 1085270, 1900546, 4751365, 9502730, 38961193, 77922386, 194805965, 389611930]

約数ペア:

[(1, 389611930), (2, 194805965), (5, 77922386), (10, 38961193), (41, 9502730), (82, 4751365), (205, 1900546), (359, 1085270), (410, 950273), (718, 542635), (1795, 217054), (2647, 147190), (3590, 108527), (5294, 73595), (13235, 29438), (14719, 26470)]