2390209988

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 4408588800

約数和(自身を除く): 2018378812

約数列:

[1, 2, 4, 31, 62, 89, 109, 124, 178, 218, 356, 436, 1987, 2759, 3379, 3974, 5518, 6758, 7948, 9701, 11036, 13516, 19402, 38804, 61597, 123194, 176843, 216583, 246388, 300731, 353686, 433166, 601462, 707372, 866332, 1202924, 5482133, 6714073, 10964266, 13428146, 19275887, 21928532, 26856292, 38551774, 77103548, 597552497, 1195104994, 2390209988]

約数ペア:

[(1, 2390209988), (2, 1195104994), (4, 597552497), (31, 77103548), (62, 38551774), (89, 26856292), (109, 21928532), (124, 19275887), (178, 13428146), (218, 10964266), (356, 6714073), (436, 5482133), (1987, 1202924), (2759, 866332), (3379, 707372), (3974, 601462), (5518, 433166), (6758, 353686), (7948, 300731), (9701, 246388), (11036, 216583), (13516, 176843), (19402, 123194), (38804, 61597)]