220153060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647509}}^1$

素因数の和:647535

約数の個数: 24

約数和(自身を含む): 489517560

約数和(自身を除く): 269364500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 647509, 1295018, 2590036, 3237545, 6475090, 11007653, 12950180, 22015306, 44030612, 55038265, 110076530, 220153060]

約数ペア:

[(1, 220153060), (2, 110076530), (4, 55038265), (5, 44030612), (10, 22015306), (17, 12950180), (20, 11007653), (34, 6475090), (68, 3237545), (85, 2590036), (170, 1295018), (340, 647509)]