211038680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{617}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 504584640

約数和(自身を除く): 293545960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 503, 617, 680, 1006, 1234, 2012, 2468, 2515, 3085, 4024, 4936, 5030, 6170, 8551, 10060, 10489, 12340, 17102, 20120, 20978, 24680, 34204, 41956, 42755, 52445, 68408, 83912, 85510, 104890, 171020, 209780, 310351, 342040, 419560, 620702, 1241404, 1551755, 2482808, 3103510, 5275967, 6207020, 10551934, 12414040, 21103868, 26379835, 42207736, 52759670, 105519340, 211038680]

約数ペア:

[(1, 211038680), (2, 105519340), (4, 52759670), (5, 42207736), (8, 26379835), (10, 21103868), (17, 12414040), (20, 10551934), (34, 6207020), (40, 5275967), (68, 3103510), (85, 2482808), (136, 1551755), (170, 1241404), (340, 620702), (503, 419560), (617, 342040), (680, 310351), (1006, 209780), (1234, 171020), (2012, 104890), (2468, 85510), (2515, 83912), (3085, 68408), (4024, 52445), (4936, 42755), (5030, 41956), (6170, 34204), (8551, 24680), (10060, 20978), (10489, 20120), (12340, 17102)]