2019904160

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2\times {\mathrm{103}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 5097665664

約数和(自身を除く): 3077761504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 73, 80, 92, 103, 115, 146, 160, 184, 206, 230, 292, 365, 368, 412, 460, 515, 584, 730, 736, 824, 920, 1030, 1168, 1460, 1648, 1679, 1840, 2060, 2336, 2369, 2920, 3296, 3358, 3680, 4120, 4738, 5329, 5840, 6716, 7519, 8240, 8395, 9476, 10658, 11680, 11845, 13432, 15038, 16480, 16790, 18952, 21316, 23690, 26645, 26864, 30076, 33580, 37595, 37904, 42632, 47380, 53290, 53728, 60152, 67160, 75190, 75808, 85264, 94760, 106580, 120304, 122567, 134320, 150380, 170528, 172937, 189520, 213160, 240608, 245134, 268640, 300760, 345874, 379040, 426320, 490268, 548887, 601520, 612835, 691748, 852640, 864685, 980536, 1097774, 1203040, 1225670, 1383496, 1729370, 1961072, 2195548, 2451340, 2744435, 2766992, 3458740, 3922144, 4391096, 4902680, 5488870, 5533984, 6917480, 8782192, 9805360, 10977740, 12624401, 13834960, 17564384, 19610720, 21955480, 25248802, 27669920, 43910960, 50497604, 63122005, 87821920, 100995208, 126244010, 201990416, 252488020, 403980832, 504976040, 1009952080, 2019904160]

約数ペア:

[(1, 2019904160), (2, 1009952080), (4, 504976040), (5, 403980832), (8, 252488020), (10, 201990416), (16, 126244010), (20, 100995208), (23, 87821920), (32, 63122005), (40, 50497604), (46, 43910960), (73, 27669920), (80, 25248802), (92, 21955480), (103, 19610720), (115, 17564384), (146, 13834960), (160, 12624401), (184, 10977740), (206, 9805360), (230, 8782192), (292, 6917480), (365, 5533984), (368, 5488870), (412, 4902680), (460, 4391096), (515, 3922144), (584, 3458740), (730, 2766992), (736, 2744435), (824, 2451340), (920, 2195548), (1030, 1961072), (1168, 1729370), (1460, 1383496), (1648, 1225670), (1679, 1203040), (1840, 1097774), (2060, 980536), (2336, 864685), (2369, 852640), (2920, 691748), (3296, 612835), (3358, 601520), (3680, 548887), (4120, 490268), (4738, 426320), (5329, 379040), (5840, 345874), (6716, 300760), (7519, 268640), (8240, 245134), (8395, 240608), (9476, 213160), (10658, 189520), (11680, 172937), (11845, 170528), (13432, 150380), (15038, 134320), (16480, 122567), (16790, 120304), (18952, 106580), (21316, 94760), (23690, 85264), (26645, 75808), (26864, 75190), (30076, 67160), (33580, 60152), (37595, 53728), (37904, 53290), (42632, 47380)]