1720407248

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1121

約数の個数: 120

約数和(自身を含む): 4063025664

約数和(自身を除く): 2342618416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 71, 98, 112, 124, 142, 196, 217, 248, 284, 392, 434, 496, 497, 568, 784, 868, 994, 997, 1136, 1519, 1736, 1988, 1994, 2201, 3038, 3472, 3479, 3976, 3988, 4402, 6076, 6958, 6979, 7952, 7976, 8804, 12152, 13916, 13958, 15407, 15952, 17608, 24304, 27832, 27916, 30814, 30907, 35216, 48853, 55664, 55832, 61628, 61814, 70787, 97706, 107849, 111664, 123256, 123628, 141574, 195412, 215698, 216349, 246512, 247256, 283148, 390824, 431396, 432698, 494512, 495509, 566296, 781648, 862792, 865396, 991018, 1132592, 1514443, 1725584, 1730792, 1982036, 2194397, 3028886, 3461584, 3468563, 3964072, 4388794, 6057772, 6937126, 7928144, 8777588, 12115544, 13874252, 15360779, 17555176, 24231088, 27748504, 30721558, 35110352, 55497008, 61443116, 107525453, 122886232, 215050906, 245772464, 430101812, 860203624, 1720407248]

約数ペア:

[(1, 1720407248), (2, 860203624), (4, 430101812), (7, 245772464), (8, 215050906), (14, 122886232), (16, 107525453), (28, 61443116), (31, 55497008), (49, 35110352), (56, 30721558), (62, 27748504), (71, 24231088), (98, 17555176), (112, 15360779), (124, 13874252), (142, 12115544), (196, 8777588), (217, 7928144), (248, 6937126), (284, 6057772), (392, 4388794), (434, 3964072), (496, 3468563), (497, 3461584), (568, 3028886), (784, 2194397), (868, 1982036), (994, 1730792), (997, 1725584), (1136, 1514443), (1519, 1132592), (1736, 991018), (1988, 865396), (1994, 862792), (2201, 781648), (3038, 566296), (3472, 495509), (3479, 494512), (3976, 432698), (3988, 431396), (4402, 390824), (6076, 283148), (6958, 247256), (6979, 246512), (7952, 216349), (7976, 215698), (8804, 195412), (12152, 141574), (13916, 123628), (13958, 123256), (15407, 111664), (15952, 107849), (17608, 97706), (24304, 70787), (27832, 61814), (27916, 61628), (30814, 55832), (30907, 55664), (35216, 48853)]