1428702920

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{187003}}^1$

素因数の和:187205

約数の個数: 32

約数和(自身を含む): 3231429120

約数和(自身を除く): 1802726200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 187003, 374006, 748012, 935015, 1496024, 1870030, 3740060, 7480120, 35717573, 71435146, 142870292, 178587865, 285740584, 357175730, 714351460, 1428702920]

約数ペア:

[(1, 1428702920), (2, 714351460), (4, 357175730), (5, 285740584), (8, 178587865), (10, 142870292), (20, 71435146), (40, 35717573), (191, 7480120), (382, 3740060), (764, 1870030), (955, 1496024), (1528, 935015), (1910, 748012), (3820, 374006), (7640, 187003)]