719267920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{31327}}^1$

素因数の和:31388

約数の個数: 80

約数和(自身を含む): 1957874688

約数和(自身を除く): 1238606768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 11480, 22960, 31327, 62654, 125308, 156635, 219289, 250616, 313270, 438578, 501232, 626540, 877156, 1096445, 1253080, 1284407, 1754312, 2192890, 2506160, 2568814, 3508624, 4385780, 5137628, 6422035, 8771560, 8990849, 10275256, 12844070, 17543120, 17981698, 20550512, 25688140, 35963396, 44954245, 51376280, 71926792, 89908490, 102752560, 143853584, 179816980, 359633960, 719267920]

約数ペア:

[(1, 719267920), (2, 359633960), (4, 179816980), (5, 143853584), (7, 102752560), (8, 89908490), (10, 71926792), (14, 51376280), (16, 44954245), (20, 35963396), (28, 25688140), (35, 20550512), (40, 17981698), (41, 17543120), (56, 12844070), (70, 10275256), (80, 8990849), (82, 8771560), (112, 6422035), (140, 5137628), (164, 4385780), (205, 3508624), (280, 2568814), (287, 2506160), (328, 2192890), (410, 1754312), (560, 1284407), (574, 1253080), (656, 1096445), (820, 877156), (1148, 626540), (1435, 501232), (1640, 438578), (2296, 313270), (2870, 250616), (3280, 219289), (4592, 156635), (5740, 125308), (11480, 62654), (22960, 31327)]