31143380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 69189120

約数和(自身を除く): 38045740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 857, 1580, 1714, 1817, 3428, 3634, 4285, 7268, 8570, 9085, 17140, 18170, 19711, 36340, 39422, 67703, 78844, 98555, 135406, 197110, 270812, 338515, 394220, 677030, 1354060, 1557169, 3114338, 6228676, 7785845, 15571690, 31143380]

約数ペア:

[(1, 31143380), (2, 15571690), (4, 7785845), (5, 6228676), (10, 3114338), (20, 1557169), (23, 1354060), (46, 677030), (79, 394220), (92, 338515), (115, 270812), (158, 197110), (230, 135406), (316, 98555), (395, 78844), (460, 67703), (790, 39422), (857, 36340), (1580, 19711), (1714, 18170), (1817, 17140), (3428, 9085), (3634, 8570), (4285, 7268)]