1990223675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{1637}}^1\times {\mathrm{4421}}^1$

素因数の和:6079

約数の個数: 24

約数和(自身を含む): 2694483792

約数和(自身を除く): 704260117

約数列:

[1, 5, 11, 25, 55, 275, 1637, 4421, 8185, 18007, 22105, 40925, 48631, 90035, 110525, 243155, 450175, 1215775, 7237177, 36185885, 79608947, 180929425, 398044735, 1990223675]

約数ペア:

[(1, 1990223675), (5, 398044735), (11, 180929425), (25, 79608947), (55, 36185885), (275, 7237177), (1637, 1215775), (4421, 450175), (8185, 243155), (18007, 110525), (22105, 90035), (40925, 48631)]