201991799680

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1247479}}^1$

素因数の和:1247532

約数の個数: 128

約数和(自身を含む): 549689587200

約数和(自身を除く): 347697787520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 640, 704, 736, 880, 920, 1012, 1265, 1408, 1472, 1760, 1840, 2024, 2530, 2944, 3520, 3680, 4048, 5060, 7040, 7360, 8096, 10120, 14720, 16192, 20240, 32384, 40480, 80960, 161920, 1247479, 2494958, 4989916, 6237395, 9979832, 12474790, 13722269, 19959664, 24949580, 27444538, 28692017, 39919328, 49899160, 54889076, 57384034, 68611345, 79838656, 99798320, 109778152, 114768068, 137222690, 143460085, 159677312, 199596640, 219556304, 229536136, 274445380, 286920170, 315612187, 399193280, 439112608, 459072272, 548890760, 573840340, 631224374, 798386560, 878225216, 918144544, 1097781520, 1147680680, 1262448748, 1578060935, 1756450432, 1836289088, 2195563040, 2295361360, 2524897496, 3156121870, 3672578176, 4391126080, 4590722720, 5049794992, 6312243740, 8782252160, 9181445440, 10099589984, 12624487480, 18362890880, 20199179968, 25248974960, 40398359936, 50497949920, 100995899840, 201991799680]

約数ペア:

[(1, 201991799680), (2, 100995899840), (4, 50497949920), (5, 40398359936), (8, 25248974960), (10, 20199179968), (11, 18362890880), (16, 12624487480), (20, 10099589984), (22, 9181445440), (23, 8782252160), (32, 6312243740), (40, 5049794992), (44, 4590722720), (46, 4391126080), (55, 3672578176), (64, 3156121870), (80, 2524897496), (88, 2295361360), (92, 2195563040), (110, 1836289088), (115, 1756450432), (128, 1578060935), (160, 1262448748), (176, 1147680680), (184, 1097781520), (220, 918144544), (230, 878225216), (253, 798386560), (320, 631224374), (352, 573840340), (368, 548890760), (440, 459072272), (460, 439112608), (506, 399193280), (640, 315612187), (704, 286920170), (736, 274445380), (880, 229536136), (920, 219556304), (1012, 199596640), (1265, 159677312), (1408, 143460085), (1472, 137222690), (1760, 114768068), (1840, 109778152), (2024, 99798320), (2530, 79838656), (2944, 68611345), (3520, 57384034), (3680, 54889076), (4048, 49899160), (5060, 39919328), (7040, 28692017), (7360, 27444538), (8096, 24949580), (10120, 19959664), (14720, 13722269), (16192, 12474790), (20240, 9979832), (32384, 6237395), (40480, 4989916), (80960, 2494958), (161920, 1247479)]