28570850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 68245632

約数和(自身を除く): 39674782

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 41, 50, 55, 70, 77, 82, 110, 154, 175, 181, 205, 275, 287, 350, 362, 385, 410, 451, 550, 574, 770, 902, 905, 1025, 1267, 1435, 1810, 1925, 1991, 2050, 2255, 2534, 2870, 3157, 3850, 3982, 4510, 4525, 6314, 6335, 7175, 7421, 9050, 9955, 11275, 12670, 13937, 14350, 14842, 15785, 19910, 22550, 27874, 31570, 31675, 37105, 49775, 51947, 63350, 69685, 74210, 78925, 81631, 99550, 103894, 139370, 157850, 163262, 185525, 259735, 348425, 371050, 408155, 519470, 571417, 696850, 816310, 1142834, 1298675, 2040775, 2597350, 2857085, 4081550, 5714170, 14285425, 28570850]

約数ペア:

[(1, 28570850), (2, 14285425), (5, 5714170), (7, 4081550), (10, 2857085), (11, 2597350), (14, 2040775), (22, 1298675), (25, 1142834), (35, 816310), (41, 696850), (50, 571417), (55, 519470), (70, 408155), (77, 371050), (82, 348425), (110, 259735), (154, 185525), (175, 163262), (181, 157850), (205, 139370), (275, 103894), (287, 99550), (350, 81631), (362, 78925), (385, 74210), (410, 69685), (451, 63350), (550, 51947), (574, 49775), (770, 37105), (902, 31675), (905, 31570), (1025, 27874), (1267, 22550), (1435, 19910), (1810, 15785), (1925, 14842), (1991, 14350), (2050, 13937), (2255, 12670), (2534, 11275), (2870, 9955), (3157, 9050), (3850, 7421), (3982, 7175), (4510, 6335), (4525, 6314)]