69580

素因数分解:

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

素因数の和:94

約数の個数: 36

約数和(自身を含む): 172368

約数和(自身を除く): 102788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1420, 1988, 2485, 3479, 4970, 6958, 9940, 13916, 17395, 34790, 69580]

約数ペア:

[(1, 69580), (2, 34790), (4, 17395), (5, 13916), (7, 9940), (10, 6958), (14, 4970), (20, 3479), (28, 2485), (35, 1988), (49, 1420), (70, 994), (71, 980), (98, 710), (140, 497), (142, 490), (196, 355), (245, 284)]