4220950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 8436960

約数和(自身を除く): 4216010

約数列:

[1, 2, 5, 10, 25, 29, 41, 50, 58, 71, 82, 142, 145, 205, 290, 355, 410, 710, 725, 1025, 1189, 1450, 1775, 2050, 2059, 2378, 2911, 3550, 4118, 5822, 5945, 10295, 11890, 14555, 20590, 29110, 29725, 51475, 59450, 72775, 84419, 102950, 145550, 168838, 422095, 844190, 2110475, 4220950]

約数ペア:

[(1, 4220950), (2, 2110475), (5, 844190), (10, 422095), (25, 168838), (29, 145550), (41, 102950), (50, 84419), (58, 72775), (71, 59450), (82, 51475), (142, 29725), (145, 29110), (205, 20590), (290, 14555), (355, 11890), (410, 10295), (710, 5945), (725, 5822), (1025, 4118), (1189, 3550), (1450, 2911), (1775, 2378), (2050, 2059)]