278340820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{109583}}^1$

素因数の和:109719

約数の個数: 24

約数和(自身を含む): 589123584

約数和(自身を除く): 310782764

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 109583, 219166, 438332, 547915, 1095830, 2191660, 13917041, 27834082, 55668164, 69585205, 139170410, 278340820]

約数ペア:

[(1, 278340820), (2, 139170410), (4, 69585205), (5, 55668164), (10, 27834082), (20, 13917041), (127, 2191660), (254, 1095830), (508, 547915), (635, 438332), (1270, 219166), (2540, 109583)]