168533620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 361302480

約数和(自身を除く): 192768860

約数列:

[1, 2, 4, 5, 10, 20, 97, 109, 194, 218, 388, 436, 485, 545, 797, 970, 1090, 1594, 1940, 2180, 3188, 3985, 7970, 10573, 15940, 21146, 42292, 52865, 77309, 86873, 105730, 154618, 173746, 211460, 309236, 347492, 386545, 434365, 773090, 868730, 1546180, 1737460, 8426681, 16853362, 33706724, 42133405, 84266810, 168533620]

約数ペア:

[(1, 168533620), (2, 84266810), (4, 42133405), (5, 33706724), (10, 16853362), (20, 8426681), (97, 1737460), (109, 1546180), (194, 868730), (218, 773090), (388, 434365), (436, 386545), (485, 347492), (545, 309236), (797, 211460), (970, 173746), (1090, 154618), (1594, 105730), (1940, 86873), (2180, 77309), (3188, 52865), (3985, 42292), (7970, 21146), (10573, 15940)]