79457140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1459}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 191318400

約数和(自身を除く): 111861260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1459, 1556, 1945, 2723, 2918, 3890, 5446, 5836, 7295, 7780, 10213, 10892, 13615, 14590, 20426, 27230, 29180, 40852, 51065, 54460, 102130, 204260, 567551, 1135102, 2270204, 2837755, 3972857, 5675510, 7945714, 11351020, 15891428, 19864285, 39728570, 79457140]

約数ペア:

[(1, 79457140), (2, 39728570), (4, 19864285), (5, 15891428), (7, 11351020), (10, 7945714), (14, 5675510), (20, 3972857), (28, 2837755), (35, 2270204), (70, 1135102), (140, 567551), (389, 204260), (778, 102130), (1459, 54460), (1556, 51065), (1945, 40852), (2723, 29180), (2918, 27230), (3890, 20426), (5446, 14590), (5836, 13615), (7295, 10892), (7780, 10213)]