439954220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1293983}}^1$

素因数の和:1294009

約数の個数: 24

約数和(自身を含む): 978251904

約数和(自身を除く): 538297684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1293983, 2587966, 5175932, 6469915, 12939830, 21997711, 25879660, 43995422, 87990844, 109988555, 219977110, 439954220]

約数ペア:

[(1, 439954220), (2, 219977110), (4, 109988555), (5, 87990844), (10, 43995422), (17, 25879660), (20, 21997711), (34, 12939830), (68, 6469915), (85, 5175932), (170, 2587966), (340, 1293983)]