290400680

素因数分解:

$2^3\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{5471}}^1$

素因数の和:6809

約数の個数: 32

約数和(自身を含む): 654013440

約数和(自身を除く): 363612760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1327, 2654, 5308, 5471, 6635, 10616, 10942, 13270, 21884, 26540, 27355, 43768, 53080, 54710, 109420, 218840, 7260017, 14520034, 29040068, 36300085, 58080136, 72600170, 145200340, 290400680]

約数ペア:

[(1, 290400680), (2, 145200340), (4, 72600170), (5, 58080136), (8, 36300085), (10, 29040068), (20, 14520034), (40, 7260017), (1327, 218840), (2654, 109420), (5308, 54710), (5471, 53080), (6635, 43768), (10616, 27355), (10942, 26540), (13270, 21884)]