1257936290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1924

約数の個数: 64

約数和(自身を含む): 2533386240

約数和(自身を除く): 1275449950

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 1847, 2015, 2197, 3694, 4030, 4394, 5239, 9235, 10478, 10985, 18470, 21970, 24011, 26195, 48022, 52390, 57257, 68107, 114514, 120055, 136214, 240110, 286285, 312143, 340535, 572570, 624286, 681070, 744341, 1488682, 1560715, 3121430, 3721705, 4057859, 7443410, 8115718, 9676433, 19352866, 20289295, 40578590, 48382165, 96764330, 125793629, 251587258, 628968145, 1257936290]

約数ペア:

[(1, 1257936290), (2, 628968145), (5, 251587258), (10, 125793629), (13, 96764330), (26, 48382165), (31, 40578590), (62, 20289295), (65, 19352866), (130, 9676433), (155, 8115718), (169, 7443410), (310, 4057859), (338, 3721705), (403, 3121430), (806, 1560715), (845, 1488682), (1690, 744341), (1847, 681070), (2015, 624286), (2197, 572570), (3694, 340535), (4030, 312143), (4394, 286285), (5239, 240110), (9235, 136214), (10478, 120055), (10985, 114514), (18470, 68107), (21970, 57257), (24011, 52390), (26195, 48022)]