204655840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2984

約数の個数: 96

約数和(自身を含む): 531256320

約数和(自身を除く): 326600480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 368, 380, 437, 460, 608, 736, 760, 874, 920, 1520, 1748, 1840, 2185, 2927, 3040, 3496, 3680, 4370, 5854, 6992, 8740, 11708, 13984, 14635, 17480, 23416, 29270, 34960, 46832, 55613, 58540, 67321, 69920, 93664, 111226, 117080, 134642, 222452, 234160, 269284, 278065, 336605, 444904, 468320, 538568, 556130, 673210, 889808, 1077136, 1112260, 1279099, 1346420, 1779616, 2154272, 2224520, 2558198, 2692840, 4449040, 5116396, 5385680, 6395495, 8898080, 10232792, 10771360, 12790990, 20465584, 25581980, 40931168, 51163960, 102327920, 204655840]

約数ペア:

[(1, 204655840), (2, 102327920), (4, 51163960), (5, 40931168), (8, 25581980), (10, 20465584), (16, 12790990), (19, 10771360), (20, 10232792), (23, 8898080), (32, 6395495), (38, 5385680), (40, 5116396), (46, 4449040), (76, 2692840), (80, 2558198), (92, 2224520), (95, 2154272), (115, 1779616), (152, 1346420), (160, 1279099), (184, 1112260), (190, 1077136), (230, 889808), (304, 673210), (368, 556130), (380, 538568), (437, 468320), (460, 444904), (608, 336605), (736, 278065), (760, 269284), (874, 234160), (920, 222452), (1520, 134642), (1748, 117080), (1840, 111226), (2185, 93664), (2927, 69920), (3040, 67321), (3496, 58540), (3680, 55613), (4370, 46832), (5854, 34960), (6992, 29270), (8740, 23416), (11708, 17480), (13984, 14635)]