1569496180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157897}}^1$

素因数の和:157984

約数の個数: 48

約数和(自身を含む): 3819868416

約数和(自身を除く): 2250372236

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, 157897, 315794, 631588, 789485, 1105279, 1578970, 2210558, 3157940, 4421116, 5526395, 11052790, 11210687, 22105580, 22421374, 44842748, 56053435, 78474809, 112106870, 156949618, 224213740, 313899236, 392374045, 784748090, 1569496180]

約数ペア:

[(1, 1569496180), (2, 784748090), (4, 392374045), (5, 313899236), (7, 224213740), (10, 156949618), (14, 112106870), (20, 78474809), (28, 56053435), (35, 44842748), (70, 22421374), (71, 22105580), (140, 11210687), (142, 11052790), (284, 5526395), (355, 4421116), (497, 3157940), (710, 2210558), (994, 1578970), (1420, 1105279), (1988, 789485), (2485, 631588), (4970, 315794), (9940, 157897)]