82452440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{757}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 212846400

約数和(自身を除く): 130393960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 757, 778, 1514, 1556, 1945, 2723, 3028, 3112, 3785, 3890, 5299, 5446, 6056, 7570, 7780, 10598, 10892, 13615, 15140, 15560, 21196, 21784, 26495, 27230, 30280, 42392, 52990, 54460, 105980, 108920, 211960, 294473, 588946, 1177892, 1472365, 2061311, 2355784, 2944730, 4122622, 5889460, 8245244, 10306555, 11778920, 16490488, 20613110, 41226220, 82452440]

約数ペア:

[(1, 82452440), (2, 41226220), (4, 20613110), (5, 16490488), (7, 11778920), (8, 10306555), (10, 8245244), (14, 5889460), (20, 4122622), (28, 2944730), (35, 2355784), (40, 2061311), (56, 1472365), (70, 1177892), (140, 588946), (280, 294473), (389, 211960), (757, 108920), (778, 105980), (1514, 54460), (1556, 52990), (1945, 42392), (2723, 30280), (3028, 27230), (3112, 26495), (3785, 21784), (3890, 21196), (5299, 15560), (5446, 15140), (6056, 13615), (7570, 10892), (7780, 10598)]