2287240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 5189760

約数和(自身を除く): 2902520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 271, 422, 542, 844, 1055, 1084, 1355, 1688, 2110, 2168, 2710, 4220, 5420, 8440, 10840, 57181, 114362, 228724, 285905, 457448, 571810, 1143620, 2287240]

約数ペア:

[(1, 2287240), (2, 1143620), (4, 571810), (5, 457448), (8, 285905), (10, 228724), (20, 114362), (40, 57181), (211, 10840), (271, 8440), (422, 5420), (542, 4220), (844, 2710), (1055, 2168), (1084, 2110), (1355, 1688)]