142917220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{1031}}^1$

素因数の和:1308

約数の個数: 48

約数和(自身を含む): 312076800

約数和(自身を除く): 169159580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 239, 290, 478, 580, 956, 1031, 1195, 2062, 2390, 4124, 4780, 5155, 6931, 10310, 13862, 20620, 27724, 29899, 34655, 59798, 69310, 119596, 138620, 149495, 246409, 298990, 492818, 597980, 985636, 1232045, 2464090, 4928180, 7145861, 14291722, 28583444, 35729305, 71458610, 142917220]

約数ペア:

[(1, 142917220), (2, 71458610), (4, 35729305), (5, 28583444), (10, 14291722), (20, 7145861), (29, 4928180), (58, 2464090), (116, 1232045), (145, 985636), (239, 597980), (290, 492818), (478, 298990), (580, 246409), (956, 149495), (1031, 138620), (1195, 119596), (2062, 69310), (2390, 59798), (4124, 34655), (4780, 29899), (5155, 27724), (6931, 20620), (10310, 13862)]