143971460

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 307625472

約数和(自身を除く): 163654012

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 263, 271, 404, 505, 526, 542, 1010, 1052, 1084, 1315, 1355, 2020, 2630, 2710, 5260, 5420, 26563, 27371, 53126, 54742, 71273, 106252, 109484, 132815, 136855, 142546, 265630, 273710, 285092, 356365, 531260, 547420, 712730, 1425460, 7198573, 14397146, 28794292, 35992865, 71985730, 143971460]

約数ペア:

[(1, 143971460), (2, 71985730), (4, 35992865), (5, 28794292), (10, 14397146), (20, 7198573), (101, 1425460), (202, 712730), (263, 547420), (271, 531260), (404, 356365), (505, 285092), (526, 273710), (542, 265630), (1010, 142546), (1052, 136855), (1084, 132815), (1315, 109484), (1355, 106252), (2020, 71273), (2630, 54742), (2710, 53126), (5260, 27371), (5420, 26563)]