858498140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1\times {\mathrm{937}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 1836799104

約数和(自身を除く): 978300964

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 751, 937, 1220, 1502, 1874, 3004, 3748, 3755, 4685, 7510, 9370, 15020, 18740, 45811, 57157, 91622, 114314, 183244, 228628, 229055, 285785, 458110, 571570, 703687, 916220, 1143140, 1407374, 2814748, 3518435, 7036870, 14073740, 42924907, 85849814, 171699628, 214624535, 429249070, 858498140]

約数ペア:

[(1, 858498140), (2, 429249070), (4, 214624535), (5, 171699628), (10, 85849814), (20, 42924907), (61, 14073740), (122, 7036870), (244, 3518435), (305, 2814748), (610, 1407374), (751, 1143140), (937, 916220), (1220, 703687), (1502, 571570), (1874, 458110), (3004, 285785), (3748, 229055), (3755, 228628), (4685, 183244), (7510, 114314), (9370, 91622), (15020, 57157), (18740, 45811)]