205936976

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 474933888

約数和(自身を除く): 268996912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 61, 86, 112, 122, 172, 244, 301, 344, 427, 488, 602, 688, 701, 854, 976, 1204, 1402, 1708, 2408, 2623, 2804, 3416, 4816, 4907, 5246, 5608, 6832, 9814, 10492, 11216, 18361, 19628, 20984, 30143, 36722, 39256, 41968, 42761, 60286, 73444, 78512, 85522, 120572, 146888, 171044, 211001, 241144, 293776, 299327, 342088, 422002, 482288, 598654, 684176, 844004, 1197308, 1688008, 1838723, 2394616, 3376016, 3677446, 4789232, 7354892, 12871061, 14709784, 25742122, 29419568, 51484244, 102968488, 205936976]

約数ペア:

[(1, 205936976), (2, 102968488), (4, 51484244), (7, 29419568), (8, 25742122), (14, 14709784), (16, 12871061), (28, 7354892), (43, 4789232), (56, 3677446), (61, 3376016), (86, 2394616), (112, 1838723), (122, 1688008), (172, 1197308), (244, 844004), (301, 684176), (344, 598654), (427, 482288), (488, 422002), (602, 342088), (688, 299327), (701, 293776), (854, 241144), (976, 211001), (1204, 171044), (1402, 146888), (1708, 120572), (2408, 85522), (2623, 78512), (2804, 73444), (3416, 60286), (4816, 42761), (4907, 41968), (5246, 39256), (5608, 36722), (6832, 30143), (9814, 20984), (10492, 19628), (11216, 18361)]