202109171080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4217}}^1\times {\mathrm{38651}}^1$

素因数の和:42910

約数の個数: 64

約数和(自身を含む): 469538311680

約数和(自身を除く): 267429140600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 4217, 8434, 16868, 21085, 33736, 38651, 42170, 77302, 84340, 130727, 154604, 168680, 193255, 261454, 309208, 386510, 522908, 653635, 773020, 1045816, 1198181, 1307270, 1546040, 2396362, 2614540, 4792724, 5229080, 5990905, 9585448, 11981810, 23963620, 47927240, 162991267, 325982534, 651965068, 814956335, 1303930136, 1629912670, 3259825340, 5052729277, 6519650680, 10105458554, 20210917108, 25263646385, 40421834216, 50527292770, 101054585540, 202109171080]

約数ペア:

[(1, 202109171080), (2, 101054585540), (4, 50527292770), (5, 40421834216), (8, 25263646385), (10, 20210917108), (20, 10105458554), (31, 6519650680), (40, 5052729277), (62, 3259825340), (124, 1629912670), (155, 1303930136), (248, 814956335), (310, 651965068), (620, 325982534), (1240, 162991267), (4217, 47927240), (8434, 23963620), (16868, 11981810), (21085, 9585448), (33736, 5990905), (38651, 5229080), (42170, 4792724), (77302, 2614540), (84340, 2396362), (130727, 1546040), (154604, 1307270), (168680, 1198181), (193255, 1045816), (261454, 773020), (309208, 653635), (386510, 522908)]