8288420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 20189568

約数和(自身を除く): 11901148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 811, 1022, 1460, 1622, 2044, 2555, 3244, 4055, 5110, 5677, 8110, 10220, 11354, 16220, 22708, 28385, 56770, 59203, 113540, 118406, 236812, 296015, 414421, 592030, 828842, 1184060, 1657684, 2072105, 4144210, 8288420]

約数ペア:

[(1, 8288420), (2, 4144210), (4, 2072105), (5, 1657684), (7, 1184060), (10, 828842), (14, 592030), (20, 414421), (28, 296015), (35, 236812), (70, 118406), (73, 113540), (140, 59203), (146, 56770), (292, 28385), (365, 22708), (511, 16220), (730, 11354), (811, 10220), (1022, 8110), (1460, 5677), (1622, 5110), (2044, 4055), (2555, 3244)]