123090512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2579}}^1$

素因数の和:2763

約数の個数: 40

約数和(自身を含む): 252736800

約数和(自身を除く): 129646288

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 1256, 2512, 2579, 2983, 5158, 5966, 10316, 11932, 20632, 23864, 41264, 47728, 49001, 98002, 196004, 392008, 404903, 784016, 809806, 1619612, 3239224, 6478448, 7693157, 15386314, 30772628, 61545256, 123090512]

約数ペア:

[(1, 123090512), (2, 61545256), (4, 30772628), (8, 15386314), (16, 7693157), (19, 6478448), (38, 3239224), (76, 1619612), (152, 809806), (157, 784016), (304, 404903), (314, 392008), (628, 196004), (1256, 98002), (2512, 49001), (2579, 47728), (2983, 41264), (5158, 23864), (5966, 20632), (10316, 11932)]