397083680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{354539}}^1$

素因数の和:354561

約数の個数: 48

約数和(自身を含む): 1072128960

約数和(自身を除く): 675045280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 354539, 709078, 1418156, 1772695, 2481773, 2836312, 3545390, 4963546, 5672624, 7090780, 9927092, 11345248, 12408865, 14181560, 19854184, 24817730, 28363120, 39708368, 49635460, 56726240, 79416736, 99270920, 198541840, 397083680]

約数ペア:

[(1, 397083680), (2, 198541840), (4, 99270920), (5, 79416736), (7, 56726240), (8, 49635460), (10, 39708368), (14, 28363120), (16, 24817730), (20, 19854184), (28, 14181560), (32, 12408865), (35, 11345248), (40, 9927092), (56, 7090780), (70, 5672624), (80, 4963546), (112, 3545390), (140, 2836312), (160, 2481773), (224, 1772695), (280, 1418156), (560, 709078), (1120, 354539)]