1720438775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{6959}}^1$

素因数の和:7040

約数の個数: 48

約数和(自身を含む): 2485555200

約数和(自身を除く): 765116425

約数列:

[1, 5, 11, 25, 29, 31, 55, 145, 155, 275, 319, 341, 725, 775, 899, 1595, 1705, 4495, 6959, 7975, 8525, 9889, 22475, 34795, 49445, 76549, 173975, 201811, 215729, 247225, 382745, 1009055, 1078645, 1913725, 2219921, 2373019, 5045275, 5393225, 6256141, 11099605, 11865095, 31280705, 55498025, 59325475, 68817551, 156403525, 344087755, 1720438775]

約数ペア:

[(1, 1720438775), (5, 344087755), (11, 156403525), (25, 68817551), (29, 59325475), (31, 55498025), (55, 31280705), (145, 11865095), (155, 11099605), (275, 6256141), (319, 5393225), (341, 5045275), (725, 2373019), (775, 2219921), (899, 1913725), (1595, 1078645), (1705, 1009055), (4495, 382745), (6959, 247225), (7975, 215729), (8525, 201811), (9889, 173975), (22475, 76549), (34795, 49445)]