22788490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 19979510

約数列:

[1, 2, 5, 10, 29, 58, 145, 179, 290, 358, 439, 878, 895, 1790, 2195, 4390, 5191, 10382, 12731, 25462, 25955, 51910, 63655, 78581, 127310, 157162, 392905, 785810, 2278849, 4557698, 11394245, 22788490]

約数ペア:

[(1, 22788490), (2, 11394245), (5, 4557698), (10, 2278849), (29, 785810), (58, 392905), (145, 157162), (179, 127310), (290, 78581), (358, 63655), (439, 51910), (878, 25955), (895, 25462), (1790, 12731), (2195, 10382), (4390, 5191)]