345020900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3881}}^1$

素因数の和:4029

約数の個数: 72

約数和(自身を含む): 862611456

約数和(自身を除く): 517590556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 254, 350, 508, 635, 700, 889, 1270, 1778, 2540, 3175, 3556, 3881, 4445, 6350, 7762, 8890, 12700, 15524, 17780, 19405, 22225, 27167, 38810, 44450, 54334, 77620, 88900, 97025, 108668, 135835, 194050, 271670, 388100, 492887, 543340, 679175, 985774, 1358350, 1971548, 2464435, 2716700, 3450209, 4928870, 6900418, 9857740, 12322175, 13800836, 17251045, 24644350, 34502090, 49288700, 69004180, 86255225, 172510450, 345020900]

約数ペア:

[(1, 345020900), (2, 172510450), (4, 86255225), (5, 69004180), (7, 49288700), (10, 34502090), (14, 24644350), (20, 17251045), (25, 13800836), (28, 12322175), (35, 9857740), (50, 6900418), (70, 4928870), (100, 3450209), (127, 2716700), (140, 2464435), (175, 1971548), (254, 1358350), (350, 985774), (508, 679175), (635, 543340), (700, 492887), (889, 388100), (1270, 271670), (1778, 194050), (2540, 135835), (3175, 108668), (3556, 97025), (3881, 88900), (4445, 77620), (6350, 54334), (7762, 44450), (8890, 38810), (12700, 27167), (15524, 22225), (17780, 19405)]