199977508720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2087}}^1\times {\mathrm{108887}}^1$

素因数の和:110998

約数の個数: 80

約数和(自身を含む): 507463377408

約数和(自身を除く): 307485868688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2087, 4174, 8348, 10435, 16696, 20870, 22957, 33392, 41740, 45914, 83480, 91828, 108887, 114785, 166960, 183656, 217774, 229570, 367312, 435548, 459140, 544435, 871096, 918280, 1088870, 1197757, 1742192, 1836560, 2177740, 2395514, 4355480, 4791028, 5988785, 8710960, 9582056, 11977570, 19164112, 23955140, 47910280, 95820560, 227247169, 454494338, 908988676, 1136235845, 1817977352, 2272471690, 2499718859, 3635954704, 4544943380, 4999437718, 9089886760, 9998875436, 12498594295, 18179773520, 19997750872, 24997188590, 39995501744, 49994377180, 99988754360, 199977508720]

約数ペア:

[(1, 199977508720), (2, 99988754360), (4, 49994377180), (5, 39995501744), (8, 24997188590), (10, 19997750872), (11, 18179773520), (16, 12498594295), (20, 9998875436), (22, 9089886760), (40, 4999437718), (44, 4544943380), (55, 3635954704), (80, 2499718859), (88, 2272471690), (110, 1817977352), (176, 1136235845), (220, 908988676), (440, 454494338), (880, 227247169), (2087, 95820560), (4174, 47910280), (8348, 23955140), (10435, 19164112), (16696, 11977570), (20870, 9582056), (22957, 8710960), (33392, 5988785), (41740, 4791028), (45914, 4355480), (83480, 2395514), (91828, 2177740), (108887, 1836560), (114785, 1742192), (166960, 1197757), (183656, 1088870), (217774, 918280), (229570, 871096), (367312, 544435), (435548, 459140)]