2807988540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6685687}}^1$

素因数の和:6685706

約数の個数: 48

約数和(自身を含む): 8985564672

約数和(自身を除く): 6177576132

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, 6685687, 13371374, 20057061, 26742748, 33428435, 40114122, 46799809, 66856870, 80228244, 93599618, 100285305, 133713740, 140399427, 187199236, 200570610, 233999045, 280798854, 401141220, 467998090, 561597708, 701997135, 935996180, 1403994270, 2807988540]

約数ペア:

[(1, 2807988540), (2, 1403994270), (3, 935996180), (4, 701997135), (5, 561597708), (6, 467998090), (7, 401141220), (10, 280798854), (12, 233999045), (14, 200570610), (15, 187199236), (20, 140399427), (21, 133713740), (28, 100285305), (30, 93599618), (35, 80228244), (42, 66856870), (60, 46799809), (70, 40114122), (84, 33428435), (105, 26742748), (140, 20057061), (210, 13371374), (420, 6685687)]