247486890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4931}}^1$

素因数の和:5187

約数の個数: 64

約数和(自身を含む): 681799680

約数和(自身を除く): 434312790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 239, 478, 717, 1195, 1434, 1673, 2390, 3346, 3585, 4931, 5019, 7170, 8365, 9862, 10038, 14793, 16730, 24655, 25095, 29586, 34517, 49310, 50190, 69034, 73965, 103551, 147930, 172585, 207102, 345170, 517755, 1035510, 1178509, 2357018, 3535527, 5892545, 7071054, 8249563, 11785090, 16499126, 17677635, 24748689, 35355270, 41247815, 49497378, 82495630, 123743445, 247486890]

約数ペア:

[(1, 247486890), (2, 123743445), (3, 82495630), (5, 49497378), (6, 41247815), (7, 35355270), (10, 24748689), (14, 17677635), (15, 16499126), (21, 11785090), (30, 8249563), (35, 7071054), (42, 5892545), (70, 3535527), (105, 2357018), (210, 1178509), (239, 1035510), (478, 517755), (717, 345170), (1195, 207102), (1434, 172585), (1673, 147930), (2390, 103551), (3346, 73965), (3585, 69034), (4931, 50190), (5019, 49310), (7170, 34517), (8365, 29586), (9862, 25095), (10038, 24655), (14793, 16730)]