130176340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{132833}}^1$

素因数の和:132856

約数の個数: 36

約数和(自身を含む): 318004596

約数和(自身を除く): 187828256

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 132833, 265666, 531332, 664165, 929831, 1328330, 1859662, 2656660, 3719324, 4649155, 6508817, 9298310, 13017634, 18596620, 26035268, 32544085, 65088170, 130176340]

約数ペア:

[(1, 130176340), (2, 65088170), (4, 32544085), (5, 26035268), (7, 18596620), (10, 13017634), (14, 9298310), (20, 6508817), (28, 4649155), (35, 3719324), (49, 2656660), (70, 1859662), (98, 1328330), (140, 929831), (196, 664165), (245, 531332), (490, 265666), (980, 132833)]