156916790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1123}}^1$

素因数の和:1376

約数の個数: 32

約数和(自身を含む): 287699040

約数和(自身を除く): 130782250

約数列:

[1, 2, 5, 10, 89, 157, 178, 314, 445, 785, 890, 1123, 1570, 2246, 5615, 11230, 13973, 27946, 69865, 99947, 139730, 176311, 199894, 352622, 499735, 881555, 999470, 1763110, 15691679, 31383358, 78458395, 156916790]

約数ペア:

[(1, 156916790), (2, 78458395), (5, 31383358), (10, 15691679), (89, 1763110), (157, 999470), (178, 881555), (314, 499735), (445, 352622), (785, 199894), (890, 176311), (1123, 139730), (1570, 99947), (2246, 69865), (5615, 27946), (11230, 13973)]