30008860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3019}}^1$

素因数の和:3106

約数の個数: 48

約数和(自身を含む): 73059840

約数和(自身を除く): 43050980

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, 3019, 4970, 6038, 9940, 12076, 15095, 21133, 30190, 42266, 60380, 84532, 105665, 211330, 214349, 422660, 428698, 857396, 1071745, 1500443, 2143490, 3000886, 4286980, 6001772, 7502215, 15004430, 30008860]

約数ペア:

[(1, 30008860), (2, 15004430), (4, 7502215), (5, 6001772), (7, 4286980), (10, 3000886), (14, 2143490), (20, 1500443), (28, 1071745), (35, 857396), (70, 428698), (71, 422660), (140, 214349), (142, 211330), (284, 105665), (355, 84532), (497, 60380), (710, 42266), (994, 30190), (1420, 21133), (1988, 15095), (2485, 12076), (3019, 9940), (4970, 6038)]