54321950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{271}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 107255040

約数和(自身を除く): 52933090

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 211, 271, 422, 475, 542, 950, 1055, 1355, 2110, 2710, 4009, 5149, 5275, 6775, 8018, 10298, 10550, 13550, 20045, 25745, 40090, 51490, 57181, 100225, 114362, 128725, 200450, 257450, 285905, 571810, 1086439, 1429525, 2172878, 2859050, 5432195, 10864390, 27160975, 54321950]

約数ペア:

[(1, 54321950), (2, 27160975), (5, 10864390), (10, 5432195), (19, 2859050), (25, 2172878), (38, 1429525), (50, 1086439), (95, 571810), (190, 285905), (211, 257450), (271, 200450), (422, 128725), (475, 114362), (542, 100225), (950, 57181), (1055, 51490), (1355, 40090), (2110, 25745), (2710, 20045), (4009, 13550), (5149, 10550), (5275, 10298), (6775, 8018)]