1558904780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{56197}}^1$

素因数の和:56298

約数の個数: 48

約数和(自身を含む): 3493267680

約数和(自身を除く): 1934362900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 13870, 27740, 56197, 112394, 224788, 280985, 561970, 1067743, 1123940, 2135486, 4102381, 4270972, 5338715, 8204762, 10677430, 16409524, 20511905, 21354860, 41023810, 77945239, 82047620, 155890478, 311780956, 389726195, 779452390, 1558904780]

約数ペア:

[(1, 1558904780), (2, 779452390), (4, 389726195), (5, 311780956), (10, 155890478), (19, 82047620), (20, 77945239), (38, 41023810), (73, 21354860), (76, 20511905), (95, 16409524), (146, 10677430), (190, 8204762), (292, 5338715), (365, 4270972), (380, 4102381), (730, 2135486), (1387, 1123940), (1460, 1067743), (2774, 561970), (5548, 280985), (6935, 224788), (13870, 112394), (27740, 56197)]