1728853820

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1\times {\mathrm{1789}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 3665776800

約数和(自身を除く): 1936922980

約数列:

[1, 2, 4, 5, 10, 20, 211, 229, 422, 458, 844, 916, 1055, 1145, 1789, 2110, 2290, 3578, 4220, 4580, 7156, 8945, 17890, 35780, 48319, 96638, 193276, 241595, 377479, 409681, 483190, 754958, 819362, 966380, 1509916, 1638724, 1887395, 2048405, 3774790, 4096810, 7549580, 8193620, 86442691, 172885382, 345770764, 432213455, 864426910, 1728853820]

約数ペア:

[(1, 1728853820), (2, 864426910), (4, 432213455), (5, 345770764), (10, 172885382), (20, 86442691), (211, 8193620), (229, 7549580), (422, 4096810), (458, 3774790), (844, 2048405), (916, 1887395), (1055, 1638724), (1145, 1509916), (1789, 966380), (2110, 819362), (2290, 754958), (3578, 483190), (4220, 409681), (4580, 377479), (7156, 241595), (8945, 193276), (17890, 96638), (35780, 48319)]