172445480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{937}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 401163840

約数和(自身を除く): 228718360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 172, 214, 215, 344, 428, 430, 535, 856, 860, 937, 1070, 1720, 1874, 2140, 3748, 4280, 4601, 4685, 7496, 9202, 9370, 18404, 18740, 23005, 36808, 37480, 40291, 46010, 80582, 92020, 100259, 161164, 184040, 200518, 201455, 322328, 401036, 402910, 501295, 802072, 805820, 1002590, 1611640, 2005180, 4010360, 4311137, 8622274, 17244548, 21555685, 34489096, 43111370, 86222740, 172445480]

約数ペア:

[(1, 172445480), (2, 86222740), (4, 43111370), (5, 34489096), (8, 21555685), (10, 17244548), (20, 8622274), (40, 4311137), (43, 4010360), (86, 2005180), (107, 1611640), (172, 1002590), (214, 805820), (215, 802072), (344, 501295), (428, 402910), (430, 401036), (535, 322328), (856, 201455), (860, 200518), (937, 184040), (1070, 161164), (1720, 100259), (1874, 92020), (2140, 80582), (3748, 46010), (4280, 40291), (4601, 37480), (4685, 36808), (7496, 23005), (9202, 18740), (9370, 18404)]