2783209240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{26227}}^1$

素因数の和:26624

約数の個数: 64

約数和(自身を含む): 7175980800

約数和(自身を除く): 4392771560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 379, 758, 1516, 1895, 2653, 3032, 3790, 5306, 7580, 10612, 13265, 15160, 21224, 26227, 26530, 52454, 53060, 104908, 106120, 131135, 183589, 209816, 262270, 367178, 524540, 734356, 917945, 1049080, 1468712, 1835890, 3671780, 7343560, 9940033, 19880066, 39760132, 49700165, 69580231, 79520264, 99400330, 139160462, 198800660, 278320924, 347901155, 397601320, 556641848, 695802310, 1391604620, 2783209240]

約数ペア:

[(1, 2783209240), (2, 1391604620), (4, 695802310), (5, 556641848), (7, 397601320), (8, 347901155), (10, 278320924), (14, 198800660), (20, 139160462), (28, 99400330), (35, 79520264), (40, 69580231), (56, 49700165), (70, 39760132), (140, 19880066), (280, 9940033), (379, 7343560), (758, 3671780), (1516, 1835890), (1895, 1468712), (2653, 1049080), (3032, 917945), (3790, 734356), (5306, 524540), (7580, 367178), (10612, 262270), (13265, 209816), (15160, 183589), (21224, 131135), (26227, 106120), (26530, 104908), (52454, 53060)]