142602400

素因数分解:

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

素因数の和:866

約数の個数: 72

約数和(自身を含む): 349782300

約数和(自身を除く): 207179900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 397, 400, 449, 794, 800, 898, 1588, 1796, 1985, 2245, 3176, 3592, 3970, 4490, 6352, 7184, 7940, 8980, 9925, 11225, 12704, 14368, 15880, 17960, 19850, 22450, 31760, 35920, 39700, 44900, 63520, 71840, 79400, 89800, 158800, 178253, 179600, 317600, 356506, 359200, 713012, 891265, 1426024, 1782530, 2852048, 3565060, 4456325, 5704096, 7130120, 8912650, 14260240, 17825300, 28520480, 35650600, 71301200, 142602400]

約数ペア:

[(1, 142602400), (2, 71301200), (4, 35650600), (5, 28520480), (8, 17825300), (10, 14260240), (16, 8912650), (20, 7130120), (25, 5704096), (32, 4456325), (40, 3565060), (50, 2852048), (80, 1782530), (100, 1426024), (160, 891265), (200, 713012), (397, 359200), (400, 356506), (449, 317600), (794, 179600), (800, 178253), (898, 158800), (1588, 89800), (1796, 79400), (1985, 71840), (2245, 63520), (3176, 44900), (3592, 39700), (3970, 35920), (4490, 31760), (6352, 22450), (7184, 19850), (7940, 17960), (8980, 15880), (9925, 14368), (11225, 12704)]