199904540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31333}}^1$

素因数の和:31382

約数の個数: 48

約数和(自身を含む): 473770080

約数和(自身を除く): 273865540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 31333, 62666, 125332, 156665, 313330, 344663, 626660, 689326, 908657, 1378652, 1723315, 1817314, 3446630, 3634628, 4543285, 6893260, 9086570, 9995227, 18173140, 19990454, 39980908, 49976135, 99952270, 199904540]

約数ペア:

[(1, 199904540), (2, 99952270), (4, 49976135), (5, 39980908), (10, 19990454), (11, 18173140), (20, 9995227), (22, 9086570), (29, 6893260), (44, 4543285), (55, 3634628), (58, 3446630), (110, 1817314), (116, 1723315), (145, 1378652), (220, 908657), (290, 689326), (319, 626660), (580, 344663), (638, 313330), (1276, 156665), (1595, 125332), (3190, 62666), (6380, 31333)]