28497204340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{13999}}^1$

素因数の和:14525

約数の個数: 96

約数和(自身を含む): 68866560000

約数和(自身を除く): 40369355660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 487, 836, 974, 1045, 1948, 2090, 2435, 4180, 4870, 5357, 9253, 9740, 10714, 13999, 18506, 21428, 26785, 27998, 37012, 46265, 53570, 55996, 69995, 92530, 101783, 107140, 139990, 153989, 185060, 203566, 265981, 279980, 307978, 407132, 508915, 531962, 615956, 769945, 1017830, 1063924, 1329905, 1539890, 2035660, 2659810, 2925791, 3079780, 5319620, 5851582, 6817513, 11703164, 13635026, 14628955, 27270052, 29257910, 34087565, 58515820, 68175130, 74992643, 129532747, 136350260, 149985286, 259065494, 299970572, 374963215, 518130988, 647663735, 749926430, 1295327470, 1424860217, 1499852860, 2590654940, 2849720434, 5699440868, 7124301085, 14248602170, 28497204340]

約数ペア:

[(1, 28497204340), (2, 14248602170), (4, 7124301085), (5, 5699440868), (10, 2849720434), (11, 2590654940), (19, 1499852860), (20, 1424860217), (22, 1295327470), (38, 749926430), (44, 647663735), (55, 518130988), (76, 374963215), (95, 299970572), (110, 259065494), (190, 149985286), (209, 136350260), (220, 129532747), (380, 74992643), (418, 68175130), (487, 58515820), (836, 34087565), (974, 29257910), (1045, 27270052), (1948, 14628955), (2090, 13635026), (2435, 11703164), (4180, 6817513), (4870, 5851582), (5357, 5319620), (9253, 3079780), (9740, 2925791), (10714, 2659810), (13999, 2035660), (18506, 1539890), (21428, 1329905), (26785, 1063924), (27998, 1017830), (37012, 769945), (46265, 615956), (53570, 531962), (55996, 508915), (69995, 407132), (92530, 307978), (101783, 279980), (107140, 265981), (139990, 203566), (153989, 185060)]