1086650740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109321}}^1$

素因数の和:109408

約数の個数: 48

約数和(自身を含む): 2644717824

約数和(自身を除く): 1558067084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 109321, 218642, 437284, 546605, 765247, 1093210, 1530494, 2186420, 3060988, 3826235, 7652470, 7761791, 15304940, 15523582, 31047164, 38808955, 54332537, 77617910, 108665074, 155235820, 217330148, 271662685, 543325370, 1086650740]

約数ペア:

[(1, 1086650740), (2, 543325370), (4, 271662685), (5, 217330148), (7, 155235820), (10, 108665074), (14, 77617910), (20, 54332537), (28, 38808955), (35, 31047164), (70, 15523582), (71, 15304940), (140, 7761791), (142, 7652470), (284, 3826235), (355, 3060988), (497, 2186420), (710, 1530494), (994, 1093210), (1420, 765247), (1988, 546605), (2485, 437284), (4970, 218642), (9940, 109321)]