259661920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{231841}}^1$

素因数の和:231863

約数の個数: 48

約数和(自身を含む): 701090208

約数和(自身を除く): 441428288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 231841, 463682, 927364, 1159205, 1622887, 1854728, 2318410, 3245774, 3709456, 4636820, 6491548, 7418912, 8114435, 9273640, 12983096, 16228870, 18547280, 25966192, 32457740, 37094560, 51932384, 64915480, 129830960, 259661920]

約数ペア:

[(1, 259661920), (2, 129830960), (4, 64915480), (5, 51932384), (7, 37094560), (8, 32457740), (10, 25966192), (14, 18547280), (16, 16228870), (20, 12983096), (28, 9273640), (32, 8114435), (35, 7418912), (40, 6491548), (56, 4636820), (70, 3709456), (80, 3245774), (112, 2318410), (140, 1854728), (160, 1622887), (224, 1159205), (280, 927364), (560, 463682), (1120, 231841)]