278867980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263083}}^1$

素因数の和:263145

約数の個数: 24

約数和(自身を含む): 596674512

約数和(自身を除く): 317806532

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 263083, 526166, 1052332, 1315415, 2630830, 5261660, 13943399, 27886798, 55773596, 69716995, 139433990, 278867980]

約数ペア:

[(1, 278867980), (2, 139433990), (4, 69716995), (5, 55773596), (10, 27886798), (20, 13943399), (53, 5261660), (106, 2630830), (212, 1315415), (265, 1052332), (530, 526166), (1060, 263083)]