1285280220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3060191}}^1$

素因数の和:3060210

約数の個数: 48

約数和(自身を含む): 4112898048

約数和(自身を除く): 2827617828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3060191, 6120382, 9180573, 12240764, 15300955, 18361146, 21421337, 30601910, 36722292, 42842674, 45902865, 61203820, 64264011, 85685348, 91805730, 107106685, 128528022, 183611460, 214213370, 257056044, 321320055, 428426740, 642640110, 1285280220]

約数ペア:

[(1, 1285280220), (2, 642640110), (3, 428426740), (4, 321320055), (5, 257056044), (6, 214213370), (7, 183611460), (10, 128528022), (12, 107106685), (14, 91805730), (15, 85685348), (20, 64264011), (21, 61203820), (28, 45902865), (30, 42842674), (35, 36722292), (42, 30601910), (60, 21421337), (70, 18361146), (84, 15300955), (105, 12240764), (140, 9180573), (210, 6120382), (420, 3060191)]