200919736

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 418428720

約数和(自身を除く): 217508984

約数列:

[1, 2, 4, 8, 17, 34, 43, 47, 68, 86, 94, 136, 172, 188, 289, 344, 376, 578, 731, 799, 1156, 1462, 1598, 1849, 2021, 2312, 2924, 3196, 3698, 4042, 5848, 6392, 7396, 8084, 12427, 13583, 14792, 16168, 24854, 27166, 31433, 34357, 49708, 54332, 62866, 68714, 86903, 99416, 108664, 125732, 137428, 173806, 251464, 274856, 347612, 534361, 584069, 695224, 1068722, 1168138, 1477351, 2137444, 2336276, 2954702, 4274888, 4672552, 5909404, 11818808, 25114967, 50229934, 100459868, 200919736]

約数ペア:

[(1, 200919736), (2, 100459868), (4, 50229934), (8, 25114967), (17, 11818808), (34, 5909404), (43, 4672552), (47, 4274888), (68, 2954702), (86, 2336276), (94, 2137444), (136, 1477351), (172, 1168138), (188, 1068722), (289, 695224), (344, 584069), (376, 534361), (578, 347612), (731, 274856), (799, 251464), (1156, 173806), (1462, 137428), (1598, 125732), (1849, 108664), (2021, 99416), (2312, 86903), (2924, 68714), (3196, 62866), (3698, 54332), (4042, 49708), (5848, 34357), (6392, 31433), (7396, 27166), (8084, 24854), (12427, 16168), (13583, 14792)]