155299600

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2168

約数の個数: 60

約数和(自身を含む): 375174400

約数和(自身を除く): 219874800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 796, 995, 1592, 1951, 1990, 3184, 3902, 3980, 4975, 7804, 7960, 9755, 9950, 15608, 15920, 19510, 19900, 31216, 39020, 39800, 48775, 78040, 79600, 97550, 156080, 195100, 388249, 390200, 776498, 780400, 1552996, 1941245, 3105992, 3882490, 6211984, 7764980, 9706225, 15529960, 19412450, 31059920, 38824900, 77649800, 155299600]

約数ペア:

[(1, 155299600), (2, 77649800), (4, 38824900), (5, 31059920), (8, 19412450), (10, 15529960), (16, 9706225), (20, 7764980), (25, 6211984), (40, 3882490), (50, 3105992), (80, 1941245), (100, 1552996), (199, 780400), (200, 776498), (398, 390200), (400, 388249), (796, 195100), (995, 156080), (1592, 97550), (1951, 79600), (1990, 78040), (3184, 48775), (3902, 39800), (3980, 39020), (4975, 31216), (7804, 19900), (7960, 19510), (9755, 15920), (9950, 15608)]