257648770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{17029}}^1$

素因数の和:17142

約数の個数: 32

約数和(自身を含む): 496594800

約数和(自身を除く): 238946030

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 445, 890, 1513, 3026, 7565, 15130, 17029, 34058, 85145, 170290, 289493, 578986, 1447465, 1515581, 2894930, 3031162, 7577905, 15155810, 25764877, 51529754, 128824385, 257648770]

約数ペア:

[(1, 257648770), (2, 128824385), (5, 51529754), (10, 25764877), (17, 15155810), (34, 7577905), (85, 3031162), (89, 2894930), (170, 1515581), (178, 1447465), (445, 578986), (890, 289493), (1513, 170290), (3026, 85145), (7565, 34058), (15130, 17029)]