30017380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21139}}^1$

素因数の和:21219

約数の個数: 24

約数和(自身を含む): 63927360

約数和(自身を除く): 33909980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 21139, 42278, 84556, 105695, 211390, 422780, 1500869, 3001738, 6003476, 7504345, 15008690, 30017380]

約数ペア:

[(1, 30017380), (2, 15008690), (4, 7504345), (5, 6003476), (10, 3001738), (20, 1500869), (71, 422780), (142, 211390), (284, 105695), (355, 84556), (710, 42278), (1420, 21139)]