672997910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{5387}}^1$

素因数の和:5469

約数の個数: 48

約数和(自身を含む): 1348271568

約数和(自身を除く): 675273658

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 2015, 4030, 4805, 5387, 9610, 10774, 12493, 24986, 26935, 53870, 62465, 70031, 124930, 140062, 166997, 333994, 350155, 700310, 834985, 1669970, 2170961, 4341922, 5176907, 10353814, 10854805, 21709610, 25884535, 51769070, 67299791, 134599582, 336498955, 672997910]

約数ペア:

[(1, 672997910), (2, 336498955), (5, 134599582), (10, 67299791), (13, 51769070), (26, 25884535), (31, 21709610), (62, 10854805), (65, 10353814), (130, 5176907), (155, 4341922), (310, 2170961), (403, 1669970), (806, 834985), (961, 700310), (1922, 350155), (2015, 333994), (4030, 166997), (4805, 140062), (5387, 124930), (9610, 70031), (10774, 62465), (12493, 53870), (24986, 26935)]