820117870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{573509}}^1$

素因数の和:573540

約数の個数: 32

約数和(自身を含む): 1734294240

約数和(自身を除く): 914176370

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 573509, 1147018, 2867545, 5735090, 6308599, 7455617, 12617198, 14911234, 31542995, 37278085, 63085990, 74556170, 82011787, 164023574, 410058935, 820117870]

約数ペア:

[(1, 820117870), (2, 410058935), (5, 164023574), (10, 82011787), (11, 74556170), (13, 63085990), (22, 37278085), (26, 31542995), (55, 14911234), (65, 12617198), (110, 7455617), (130, 6308599), (143, 5735090), (286, 2867545), (715, 1147018), (1430, 573509)]