289208220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{688591}}^1$

素因数の和:688610

約数の個数: 48

約数和(自身を含む): 925467648

約数和(自身を除く): 636259428

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, 688591, 1377182, 2065773, 2754364, 3442955, 4131546, 4820137, 6885910, 8263092, 9640274, 10328865, 13771820, 14460411, 19280548, 20657730, 24100685, 28920822, 41315460, 48201370, 57841644, 72302055, 96402740, 144604110, 289208220]

約数ペア:

[(1, 289208220), (2, 144604110), (3, 96402740), (4, 72302055), (5, 57841644), (6, 48201370), (7, 41315460), (10, 28920822), (12, 24100685), (14, 20657730), (15, 19280548), (20, 14460411), (21, 13771820), (28, 10328865), (30, 9640274), (35, 8263092), (42, 6885910), (60, 4820137), (70, 4131546), (84, 3442955), (105, 2754364), (140, 2065773), (210, 1377182), (420, 688591)]