3874180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1997}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 8223768

約数和(自身を除く): 4349588

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 1997, 3994, 7988, 9985, 19970, 39940, 193709, 387418, 774836, 968545, 1937090, 3874180]

約数ペア:

[(1, 3874180), (2, 1937090), (4, 968545), (5, 774836), (10, 387418), (20, 193709), (97, 39940), (194, 19970), (388, 9985), (485, 7988), (970, 3994), (1940, 1997)]