208564860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{496583}}^1$

素因数の和:496602

約数の個数: 48

約数和(自身を含む): 667408896

約数和(自身を除く): 458844036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 496583, 993166, 1489749, 1986332, 2482915, 2979498, 3476081, 4965830, 5958996, 6952162, 7448745, 9931660, 10428243, 13904324, 14897490, 17380405, 20856486, 29794980, 34760810, 41712972, 52141215, 69521620, 104282430, 208564860]

約数ペア:

[(1, 208564860), (2, 104282430), (3, 69521620), (4, 52141215), (5, 41712972), (6, 34760810), (7, 29794980), (10, 20856486), (12, 17380405), (14, 14897490), (15, 13904324), (20, 10428243), (21, 9931660), (28, 7448745), (30, 6952162), (35, 5958996), (42, 4965830), (60, 3476081), (70, 2979498), (84, 2482915), (105, 1986332), (140, 1489749), (210, 993166), (420, 496583)]