177016980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{421469}}^1$

素因数の和:421488

約数の個数: 48

約数和(自身を含む): 566455680

約数和(自身を除く): 389438700

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, 421469, 842938, 1264407, 1685876, 2107345, 2528814, 2950283, 4214690, 5057628, 5900566, 6322035, 8429380, 8850849, 11801132, 12644070, 14751415, 17701698, 25288140, 29502830, 35403396, 44254245, 59005660, 88508490, 177016980]

約数ペア:

[(1, 177016980), (2, 88508490), (3, 59005660), (4, 44254245), (5, 35403396), (6, 29502830), (7, 25288140), (10, 17701698), (12, 14751415), (14, 12644070), (15, 11801132), (20, 8850849), (21, 8429380), (28, 6322035), (30, 5900566), (35, 5057628), (42, 4214690), (60, 2950283), (70, 2528814), (84, 2107345), (105, 1685876), (140, 1264407), (210, 842938), (420, 421469)]