762440

素因数分解:

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

素因数の和:414

約数の個数: 48

約数和(自身を含む): 2000700

約数和(自身を除く): 1238260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 389, 392, 490, 778, 980, 1556, 1945, 1960, 2723, 3112, 3890, 5446, 7780, 10892, 13615, 15560, 19061, 21784, 27230, 38122, 54460, 76244, 95305, 108920, 152488, 190610, 381220, 762440]

約数ペア:

[(1, 762440), (2, 381220), (4, 190610), (5, 152488), (7, 108920), (8, 95305), (10, 76244), (14, 54460), (20, 38122), (28, 27230), (35, 21784), (40, 19061), (49, 15560), (56, 13615), (70, 10892), (98, 7780), (140, 5446), (196, 3890), (245, 3112), (280, 2723), (389, 1960), (392, 1945), (490, 1556), (778, 980)]