210992780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620567}}^1$

素因数の和:620593

約数の個数: 24

約数和(自身を含む): 469149408

約数和(自身を除く): 258156628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 620567, 1241134, 2482268, 3102835, 6205670, 10549639, 12411340, 21099278, 42198556, 52748195, 105496390, 210992780]

約数ペア:

[(1, 210992780), (2, 105496390), (4, 52748195), (5, 42198556), (10, 21099278), (17, 12411340), (20, 10549639), (34, 6205670), (68, 3102835), (85, 2482268), (170, 1241134), (340, 620567)]