208339740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{165349}}^1$

素因数の和:165371

約数の個数: 72

約数和(自身を含む): 722248800

約数和(自身を除く): 513909060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 165349, 330698, 496047, 661396, 826745, 992094, 1157443, 1488141, 1653490, 1984188, 2314886, 2480235, 2976282, 3306980, 3472329, 4629772, 4960470, 5787215, 5952564, 6944658, 7440705, 9920940, 10416987, 11574430, 13889316, 14881410, 17361645, 20833974, 23148860, 29762820, 34723290, 41667948, 52084935, 69446580, 104169870, 208339740]

約数ペア:

[(1, 208339740), (2, 104169870), (3, 69446580), (4, 52084935), (5, 41667948), (6, 34723290), (7, 29762820), (9, 23148860), (10, 20833974), (12, 17361645), (14, 14881410), (15, 13889316), (18, 11574430), (20, 10416987), (21, 9920940), (28, 7440705), (30, 6944658), (35, 5952564), (36, 5787215), (42, 4960470), (45, 4629772), (60, 3472329), (63, 3306980), (70, 2976282), (84, 2480235), (90, 2314886), (105, 1984188), (126, 1653490), (140, 1488141), (180, 1157443), (210, 992094), (252, 826745), (315, 661396), (420, 496047), (630, 330698), (1260, 165349)]