214540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 477792

約数和(自身を除く): 263252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 631, 1262, 2524, 3155, 6310, 10727, 12620, 21454, 42908, 53635, 107270, 214540]

約数ペア:

[(1, 214540), (2, 107270), (4, 53635), (5, 42908), (10, 21454), (17, 12620), (20, 10727), (34, 6310), (68, 3155), (85, 2524), (170, 1262), (340, 631)]