102590740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10321}}^1$

素因数の和:10408

約数の個数: 48

約数和(自身を含む): 249709824

約数和(自身を除く): 147119084

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, 10321, 20642, 41284, 51605, 72247, 103210, 144494, 206420, 288988, 361235, 722470, 732791, 1444940, 1465582, 2931164, 3663955, 5129537, 7327910, 10259074, 14655820, 20518148, 25647685, 51295370, 102590740]

約数ペア:

[(1, 102590740), (2, 51295370), (4, 25647685), (5, 20518148), (7, 14655820), (10, 10259074), (14, 7327910), (20, 5129537), (28, 3663955), (35, 2931164), (70, 1465582), (71, 1444940), (140, 732791), (142, 722470), (284, 361235), (355, 288988), (497, 206420), (710, 144494), (994, 103210), (1420, 72247), (1988, 51605), (2485, 41284), (4970, 20642), (9940, 10321)]