1993509760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16657}}^1$

素因数の和:16704

約数の個数: 128

約数和(自身を含む): 5505135840

約数和(自身を除く): 3511626080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 128, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 640, 680, 704, 748, 880, 935, 1088, 1360, 1408, 1496, 1760, 1870, 2176, 2720, 2992, 3520, 3740, 5440, 5984, 7040, 7480, 10880, 11968, 14960, 16657, 23936, 29920, 33314, 59840, 66628, 83285, 119680, 133256, 166570, 183227, 266512, 283169, 333140, 366454, 533024, 566338, 666280, 732908, 916135, 1066048, 1132676, 1332560, 1415845, 1465816, 1832270, 2132096, 2265352, 2665120, 2831690, 2931632, 3114859, 3664540, 4530704, 5330240, 5663380, 5863264, 6229718, 7329080, 9061408, 10660480, 11326760, 11726528, 12459436, 14658160, 15574295, 18122816, 22653520, 23453056, 24918872, 29316320, 31148590, 36245632, 45307040, 49837744, 58632640, 62297180, 90614080, 99675488, 117265280, 124594360, 181228160, 199350976, 249188720, 398701952, 498377440, 996754880, 1993509760]

約数ペア:

[(1, 1993509760), (2, 996754880), (4, 498377440), (5, 398701952), (8, 249188720), (10, 199350976), (11, 181228160), (16, 124594360), (17, 117265280), (20, 99675488), (22, 90614080), (32, 62297180), (34, 58632640), (40, 49837744), (44, 45307040), (55, 36245632), (64, 31148590), (68, 29316320), (80, 24918872), (85, 23453056), (88, 22653520), (110, 18122816), (128, 15574295), (136, 14658160), (160, 12459436), (170, 11726528), (176, 11326760), (187, 10660480), (220, 9061408), (272, 7329080), (320, 6229718), (340, 5863264), (352, 5663380), (374, 5330240), (440, 4530704), (544, 3664540), (640, 3114859), (680, 2931632), (704, 2831690), (748, 2665120), (880, 2265352), (935, 2132096), (1088, 1832270), (1360, 1465816), (1408, 1415845), (1496, 1332560), (1760, 1132676), (1870, 1066048), (2176, 916135), (2720, 732908), (2992, 666280), (3520, 566338), (3740, 533024), (5440, 366454), (5984, 333140), (7040, 283169), (7480, 266512), (10880, 183227), (11968, 166570), (14960, 133256), (16657, 119680), (23936, 83285), (29920, 66628), (33314, 59840)]