173847280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 418660704

約数和(自身を除く): 244813424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 97, 172, 194, 215, 344, 388, 430, 485, 521, 688, 776, 860, 970, 1042, 1552, 1720, 1940, 2084, 2605, 3440, 3880, 4168, 4171, 5210, 7760, 8336, 8342, 10420, 16684, 20840, 20855, 22403, 33368, 41680, 41710, 44806, 50537, 66736, 83420, 89612, 101074, 112015, 166840, 179224, 202148, 224030, 252685, 333680, 358448, 404296, 448060, 505370, 808592, 896120, 1010740, 1792240, 2021480, 2173091, 4042960, 4346182, 8692364, 10865455, 17384728, 21730910, 34769456, 43461820, 86923640, 173847280]

約数ペア:

[(1, 173847280), (2, 86923640), (4, 43461820), (5, 34769456), (8, 21730910), (10, 17384728), (16, 10865455), (20, 8692364), (40, 4346182), (43, 4042960), (80, 2173091), (86, 2021480), (97, 1792240), (172, 1010740), (194, 896120), (215, 808592), (344, 505370), (388, 448060), (430, 404296), (485, 358448), (521, 333680), (688, 252685), (776, 224030), (860, 202148), (970, 179224), (1042, 166840), (1552, 112015), (1720, 101074), (1940, 89612), (2084, 83420), (2605, 66736), (3440, 50537), (3880, 44806), (4168, 41710), (4171, 41680), (5210, 33368), (7760, 22403), (8336, 20855), (8342, 20840), (10420, 16684)]