204560454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:709

約数の個数: 64

約数和(自身を含む): 478411776

約数和(自身を除く): 273851322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 137, 146, 219, 274, 411, 438, 487, 511, 822, 959, 974, 1022, 1461, 1533, 1918, 2877, 2922, 3066, 3409, 5754, 6818, 10001, 10227, 20002, 20454, 30003, 35551, 60006, 66719, 70007, 71102, 106653, 133438, 140014, 200157, 210021, 213306, 248857, 400314, 420042, 467033, 497714, 746571, 934066, 1401099, 1493142, 2802198, 4870487, 9740974, 14611461, 29222922, 34093409, 68186818, 102280227, 204560454]

約数ペア:

[(1, 204560454), (2, 102280227), (3, 68186818), (6, 34093409), (7, 29222922), (14, 14611461), (21, 9740974), (42, 4870487), (73, 2802198), (137, 1493142), (146, 1401099), (219, 934066), (274, 746571), (411, 497714), (438, 467033), (487, 420042), (511, 400314), (822, 248857), (959, 213306), (974, 210021), (1022, 200157), (1461, 140014), (1533, 133438), (1918, 106653), (2877, 71102), (2922, 70007), (3066, 66719), (3409, 60006), (5754, 35551), (6818, 30003), (10001, 20454), (10227, 20002)]