858150500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^2\times {\mathrm{1021}}^1$

素因数の和:1122

約数の個数: 72

約数和(自身を含む): 1922909352

約数和(自身を除く): 1064758852

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 164, 205, 250, 410, 500, 820, 1021, 1025, 1681, 2042, 2050, 3362, 4084, 4100, 5105, 5125, 6724, 8405, 10210, 10250, 16810, 20420, 20500, 25525, 33620, 41861, 42025, 51050, 83722, 84050, 102100, 127625, 167444, 168100, 209305, 210125, 255250, 418610, 420250, 510500, 837220, 840500, 1046525, 1716301, 2093050, 3432602, 4186100, 5232625, 6865204, 8581505, 10465250, 17163010, 20930500, 34326020, 42907525, 85815050, 171630100, 214537625, 429075250, 858150500]

約数ペア:

[(1, 858150500), (2, 429075250), (4, 214537625), (5, 171630100), (10, 85815050), (20, 42907525), (25, 34326020), (41, 20930500), (50, 17163010), (82, 10465250), (100, 8581505), (125, 6865204), (164, 5232625), (205, 4186100), (250, 3432602), (410, 2093050), (500, 1716301), (820, 1046525), (1021, 840500), (1025, 837220), (1681, 510500), (2042, 420250), (2050, 418610), (3362, 255250), (4084, 210125), (4100, 209305), (5105, 168100), (5125, 167444), (6724, 127625), (8405, 102100), (10210, 84050), (10250, 83722), (16810, 51050), (20420, 42025), (20500, 41861), (25525, 33620)]