71301200

素因数分解:

$2^4\times 5^2\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:864

約数の個数: 60

約数和(自身を含む): 172115100

約数和(自身を除く): 100813900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 397, 400, 449, 794, 898, 1588, 1796, 1985, 2245, 3176, 3592, 3970, 4490, 6352, 7184, 7940, 8980, 9925, 11225, 15880, 17960, 19850, 22450, 31760, 35920, 39700, 44900, 79400, 89800, 158800, 178253, 179600, 356506, 713012, 891265, 1426024, 1782530, 2852048, 3565060, 4456325, 7130120, 8912650, 14260240, 17825300, 35650600, 71301200]

約数ペア:

[(1, 71301200), (2, 35650600), (4, 17825300), (5, 14260240), (8, 8912650), (10, 7130120), (16, 4456325), (20, 3565060), (25, 2852048), (40, 1782530), (50, 1426024), (80, 891265), (100, 713012), (200, 356506), (397, 179600), (400, 178253), (449, 158800), (794, 89800), (898, 79400), (1588, 44900), (1796, 39700), (1985, 35920), (2245, 31760), (3176, 22450), (3592, 19850), (3970, 17960), (4490, 15880), (6352, 11225), (7184, 9925), (7940, 8980)]