281373008

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{10009}}^1$

素因数の和:10275

約数の個数: 40

約数和(自身を含む): 625584960

約数和(自身を除く): 344211952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 1004, 1757, 2008, 3514, 4016, 7028, 10009, 14056, 20018, 28112, 40036, 70063, 80072, 140126, 160144, 280252, 560504, 1121008, 2512259, 5024518, 10049036, 17585813, 20098072, 35171626, 40196144, 70343252, 140686504, 281373008]

約数ペア:

[(1, 281373008), (2, 140686504), (4, 70343252), (7, 40196144), (8, 35171626), (14, 20098072), (16, 17585813), (28, 10049036), (56, 5024518), (112, 2512259), (251, 1121008), (502, 560504), (1004, 280252), (1757, 160144), (2008, 140126), (3514, 80072), (4016, 70063), (7028, 40036), (10009, 28112), (14056, 20018)]