205587480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244747}}^1$

素因数の和:244768

約数の個数: 64

約数和(自身を含む): 704874240

約数和(自身を除く): 499286760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 244747, 489494, 734241, 978988, 1223735, 1468482, 1713229, 1957976, 2447470, 2936964, 3426458, 3671205, 4894940, 5139687, 5873928, 6852916, 7342410, 8566145, 9789880, 10279374, 13705832, 14684820, 17132290, 20558748, 25698435, 29369640, 34264580, 41117496, 51396870, 68529160, 102793740, 205587480]

約数ペア:

[(1, 205587480), (2, 102793740), (3, 68529160), (4, 51396870), (5, 41117496), (6, 34264580), (7, 29369640), (8, 25698435), (10, 20558748), (12, 17132290), (14, 14684820), (15, 13705832), (20, 10279374), (21, 9789880), (24, 8566145), (28, 7342410), (30, 6852916), (35, 5873928), (40, 5139687), (42, 4894940), (56, 3671205), (60, 3426458), (70, 2936964), (84, 2447470), (105, 1957976), (120, 1713229), (140, 1468482), (168, 1223735), (210, 978988), (280, 734241), (420, 489494), (840, 244747)]