289290020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{850853}}^1$

素因数の和:850879

約数の個数: 24

約数和(自身を含む): 643245624

約数和(自身を除く): 353955604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 850853, 1701706, 3403412, 4254265, 8508530, 14464501, 17017060, 28929002, 57858004, 72322505, 144645010, 289290020]

約数ペア:

[(1, 289290020), (2, 144645010), (4, 72322505), (5, 57858004), (10, 28929002), (17, 17017060), (20, 14464501), (34, 8508530), (68, 4254265), (85, 3403412), (170, 1701706), (340, 850853)]