28871710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1489}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 59647680

約数和(自身を除く): 30775970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 277, 554, 1385, 1489, 1939, 2770, 2978, 3878, 7445, 9695, 10423, 14890, 19390, 20846, 52115, 104230, 412453, 824906, 2062265, 2887171, 4124530, 5774342, 14435855, 28871710]

約数ペア:

[(1, 28871710), (2, 14435855), (5, 5774342), (7, 4124530), (10, 2887171), (14, 2062265), (35, 824906), (70, 412453), (277, 104230), (554, 52115), (1385, 20846), (1489, 19390), (1939, 14890), (2770, 10423), (2978, 9695), (3878, 7445)]