1520493620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{3919}}^1$

素因数の和:4968

約数の個数: 48

約数和(自身を含む): 3365241600

約数和(自身を除く): 1844747980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1021, 2042, 3919, 4084, 5105, 7838, 10210, 15676, 19399, 19595, 20420, 38798, 39190, 74461, 77596, 78380, 96995, 148922, 193990, 297844, 372305, 387980, 744610, 1489220, 4001299, 8002598, 16005196, 20006495, 40012990, 76024681, 80025980, 152049362, 304098724, 380123405, 760246810, 1520493620]

約数ペア:

[(1, 1520493620), (2, 760246810), (4, 380123405), (5, 304098724), (10, 152049362), (19, 80025980), (20, 76024681), (38, 40012990), (76, 20006495), (95, 16005196), (190, 8002598), (380, 4001299), (1021, 1489220), (2042, 744610), (3919, 387980), (4084, 372305), (5105, 297844), (7838, 193990), (10210, 148922), (15676, 96995), (19399, 78380), (19595, 77596), (20420, 74461), (38798, 39190)]