275241680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{491503}}^1$

素因数の和:491523

約数の個数: 40

約数和(自身を含む): 731357952

約数和(自身を除く): 456116272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 491503, 983006, 1966012, 2457515, 3440521, 3932024, 4915030, 6881042, 7864048, 9830060, 13762084, 17202605, 19660120, 27524168, 34405210, 39320240, 55048336, 68810420, 137620840, 275241680]

約数ペア:

[(1, 275241680), (2, 137620840), (4, 68810420), (5, 55048336), (7, 39320240), (8, 34405210), (10, 27524168), (14, 19660120), (16, 17202605), (20, 13762084), (28, 9830060), (35, 7864048), (40, 6881042), (56, 4915030), (70, 3932024), (80, 3440521), (112, 2457515), (140, 1966012), (280, 983006), (560, 491503)]