29531740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1$

素因数の和:3058

約数の個数: 48

約数和(自身を含む): 71898624

約数和(自身を除く): 42366884

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, 2971, 4970, 5942, 9940, 11884, 14855, 20797, 29710, 41594, 59420, 83188, 103985, 207970, 210941, 415940, 421882, 843764, 1054705, 1476587, 2109410, 2953174, 4218820, 5906348, 7382935, 14765870, 29531740]

約数ペア:

[(1, 29531740), (2, 14765870), (4, 7382935), (5, 5906348), (7, 4218820), (10, 2953174), (14, 2109410), (20, 1476587), (28, 1054705), (35, 843764), (70, 421882), (71, 415940), (140, 210941), (142, 207970), (284, 103985), (355, 83188), (497, 59420), (710, 41594), (994, 29710), (1420, 20797), (1988, 14855), (2485, 11884), (2971, 9940), (4970, 5942)]