1809890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^2$

素因数の和:194

約数の個数: 24

約数和(自身を含む): 3413340

約数和(自身を除く): 1603450

約数列:

[1, 2, 5, 10, 29, 58, 79, 145, 158, 290, 395, 790, 2291, 4582, 6241, 11455, 12482, 22910, 31205, 62410, 180989, 361978, 904945, 1809890]

約数ペア:

[(1, 1809890), (2, 904945), (5, 361978), (10, 180989), (29, 62410), (58, 31205), (79, 22910), (145, 12482), (158, 11455), (290, 6241), (395, 4582), (790, 2291)]