87379540

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 188232912

約数和(自身を除く): 100853372

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 292, 365, 388, 485, 617, 730, 970, 1234, 1460, 1940, 2468, 3085, 6170, 7081, 12340, 14162, 28324, 35405, 45041, 59849, 70810, 90082, 119698, 141620, 180164, 225205, 239396, 299245, 450410, 598490, 900820, 1196980, 4368977, 8737954, 17475908, 21844885, 43689770, 87379540]

約数ペア:

[(1, 87379540), (2, 43689770), (4, 21844885), (5, 17475908), (10, 8737954), (20, 4368977), (73, 1196980), (97, 900820), (146, 598490), (194, 450410), (292, 299245), (365, 239396), (388, 225205), (485, 180164), (617, 141620), (730, 119698), (970, 90082), (1234, 70810), (1460, 59849), (1940, 45041), (2468, 35405), (3085, 28324), (6170, 14162), (7081, 12340)]