2912994920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1203

約数の個数: 128

約数和(自身を含む): 7336656000

約数和(自身を除く): 4423661080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 89, 110, 146, 178, 220, 292, 356, 365, 440, 445, 584, 712, 730, 803, 890, 979, 1019, 1460, 1606, 1780, 1958, 2038, 2920, 3212, 3560, 3916, 4015, 4076, 4895, 5095, 6424, 6497, 7832, 8030, 8152, 9790, 10190, 11209, 12994, 16060, 19580, 20380, 22418, 25988, 32120, 32485, 39160, 40760, 44836, 51976, 56045, 64970, 71467, 74387, 89672, 90691, 112090, 129940, 142934, 148774, 181382, 224180, 259880, 285868, 297548, 357335, 362764, 371935, 448360, 453455, 571736, 595096, 714670, 725528, 743870, 818257, 906910, 997601, 1429340, 1487740, 1636514, 1813820, 1995202, 2858680, 2975480, 3273028, 3627640, 3990404, 4091285, 4988005, 6546056, 6620443, 7980808, 8182570, 9976010, 13240886, 16365140, 19952020, 26481772, 32730280, 33102215, 39904040, 52963544, 66204430, 72824873, 132408860, 145649746, 264817720, 291299492, 364124365, 582598984, 728248730, 1456497460, 2912994920]

約数ペア:

[(1, 2912994920), (2, 1456497460), (4, 728248730), (5, 582598984), (8, 364124365), (10, 291299492), (11, 264817720), (20, 145649746), (22, 132408860), (40, 72824873), (44, 66204430), (55, 52963544), (73, 39904040), (88, 33102215), (89, 32730280), (110, 26481772), (146, 19952020), (178, 16365140), (220, 13240886), (292, 9976010), (356, 8182570), (365, 7980808), (440, 6620443), (445, 6546056), (584, 4988005), (712, 4091285), (730, 3990404), (803, 3627640), (890, 3273028), (979, 2975480), (1019, 2858680), (1460, 1995202), (1606, 1813820), (1780, 1636514), (1958, 1487740), (2038, 1429340), (2920, 997601), (3212, 906910), (3560, 818257), (3916, 743870), (4015, 725528), (4076, 714670), (4895, 595096), (5095, 571736), (6424, 453455), (6497, 448360), (7832, 371935), (8030, 362764), (8152, 357335), (9790, 297548), (10190, 285868), (11209, 259880), (12994, 224180), (16060, 181382), (19580, 148774), (20380, 142934), (22418, 129940), (25988, 112090), (32120, 90691), (32485, 89672), (39160, 74387), (40760, 71467), (44836, 64970), (51976, 56045)]