221775140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1801}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 479533824

約数和(自身を除く): 257758684

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 235, 262, 470, 524, 655, 940, 1310, 1801, 2620, 3602, 6157, 7204, 9005, 12314, 18010, 24628, 30785, 36020, 61570, 84647, 123140, 169294, 235931, 338588, 423235, 471862, 846470, 943724, 1179655, 1692940, 2359310, 4718620, 11088757, 22177514, 44355028, 55443785, 110887570, 221775140]

約数ペア:

[(1, 221775140), (2, 110887570), (4, 55443785), (5, 44355028), (10, 22177514), (20, 11088757), (47, 4718620), (94, 2359310), (131, 1692940), (188, 1179655), (235, 943724), (262, 846470), (470, 471862), (524, 423235), (655, 338588), (940, 235931), (1310, 169294), (1801, 123140), (2620, 84647), (3602, 61570), (6157, 36020), (7204, 30785), (9005, 24628), (12314, 18010)]