220857516

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2057

約数の個数: 120

約数和(自身を含む): 650496000

約数和(自身を除く): 429638484

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 31, 33, 36, 44, 54, 62, 66, 81, 93, 99, 108, 124, 132, 162, 186, 198, 279, 297, 324, 341, 372, 396, 558, 594, 682, 837, 891, 1023, 1116, 1188, 1364, 1674, 1782, 1999, 2046, 2511, 3069, 3348, 3564, 3998, 4092, 5022, 5997, 6138, 7996, 9207, 10044, 11994, 12276, 17991, 18414, 21989, 23988, 27621, 35982, 36828, 43978, 53973, 55242, 61969, 65967, 71964, 87956, 107946, 110484, 123938, 131934, 161919, 185907, 197901, 215892, 247876, 263868, 323838, 371814, 395802, 557721, 593703, 647676, 681659, 743628, 791604, 1115442, 1187406, 1363318, 1673163, 1781109, 2044977, 2230884, 2374812, 2726636, 3346326, 3562218, 4089954, 5019489, 6134931, 6692652, 7124436, 8179908, 10038978, 12269862, 18404793, 20077956, 24539724, 36809586, 55214379, 73619172, 110428758, 220857516]

約数ペア:

[(1, 220857516), (2, 110428758), (3, 73619172), (4, 55214379), (6, 36809586), (9, 24539724), (11, 20077956), (12, 18404793), (18, 12269862), (22, 10038978), (27, 8179908), (31, 7124436), (33, 6692652), (36, 6134931), (44, 5019489), (54, 4089954), (62, 3562218), (66, 3346326), (81, 2726636), (93, 2374812), (99, 2230884), (108, 2044977), (124, 1781109), (132, 1673163), (162, 1363318), (186, 1187406), (198, 1115442), (279, 791604), (297, 743628), (324, 681659), (341, 647676), (372, 593703), (396, 557721), (558, 395802), (594, 371814), (682, 323838), (837, 263868), (891, 247876), (1023, 215892), (1116, 197901), (1188, 185907), (1364, 161919), (1674, 131934), (1782, 123938), (1999, 110484), (2046, 107946), (2511, 87956), (3069, 71964), (3348, 65967), (3564, 61969), (3998, 55242), (4092, 53973), (5022, 43978), (5997, 36828), (6138, 35982), (7996, 27621), (9207, 23988), (10044, 21989), (11994, 18414), (12276, 17991)]