205905690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{1361}}^1$

素因数の和:1456

約数の個数: 72

約数和(自身を含む): 549133884

約数和(自身を除く): 343228194

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1361, 1681, 1845, 2722, 3362, 3690, 4083, 5043, 6805, 8166, 8405, 10086, 12249, 13610, 15129, 16810, 20415, 24498, 25215, 30258, 40830, 50430, 55801, 61245, 75645, 111602, 122490, 151290, 167403, 279005, 334806, 502209, 558010, 837015, 1004418, 1674030, 2287841, 2511045, 4575682, 5022090, 6863523, 11439205, 13727046, 20590569, 22878410, 34317615, 41181138, 68635230, 102952845, 205905690]

約数ペア:

[(1, 205905690), (2, 102952845), (3, 68635230), (5, 41181138), (6, 34317615), (9, 22878410), (10, 20590569), (15, 13727046), (18, 11439205), (30, 6863523), (41, 5022090), (45, 4575682), (82, 2511045), (90, 2287841), (123, 1674030), (205, 1004418), (246, 837015), (369, 558010), (410, 502209), (615, 334806), (738, 279005), (1230, 167403), (1361, 151290), (1681, 122490), (1845, 111602), (2722, 75645), (3362, 61245), (3690, 55801), (4083, 50430), (5043, 40830), (6805, 30258), (8166, 25215), (8405, 24498), (10086, 20415), (12249, 16810), (13610, 15129)]