280051205

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 393652224

約数和(自身を除く): 113601019

約数列:

[1, 5, 7, 35, 53, 223, 265, 371, 677, 1115, 1561, 1855, 3385, 4739, 7805, 11819, 23695, 35881, 59095, 82733, 150971, 179405, 251167, 413665, 754855, 1056797, 1255835, 5283985, 8001463, 40007315, 56010241, 280051205]

約数ペア:

[(1, 280051205), (5, 56010241), (7, 40007315), (35, 8001463), (53, 5283985), (223, 1255835), (265, 1056797), (371, 754855), (677, 413665), (1115, 251167), (1561, 179405), (1855, 150971), (3385, 82733), (4739, 59095), (7805, 35881), (11819, 23695)]