638205124040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1\times {\mathrm{19391}}^1$

素因数の和:20115

約数の個数: 128

約数和(自身を含む): 1581307453440

約数和(自身を除く): 943102329400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 571, 655, 1048, 1142, 1310, 1441, 2284, 2620, 2855, 2882, 4568, 5240, 5710, 5764, 6281, 7205, 11420, 11528, 12562, 14410, 19391, 22840, 25124, 28820, 31405, 38782, 50248, 57640, 62810, 74801, 77564, 96955, 125620, 149602, 155128, 193910, 213301, 251240, 299204, 374005, 387820, 426602, 598408, 748010, 775640, 822811, 853204, 1066505, 1496020, 1645622, 1706408, 2133010, 2540221, 2992040, 3291244, 4114055, 4266020, 5080442, 6582488, 8228110, 8532040, 10160884, 11072261, 12701105, 16456220, 20321768, 22144522, 25402210, 27942431, 32912440, 44289044, 50804420, 55361305, 55884862, 88578088, 101608840, 110722610, 111769724, 121794871, 139712155, 221445220, 223539448, 243589742, 279424310, 442890440, 487179484, 558848620, 608974355, 974358968, 1117697240, 1217948710, 1450466191, 2435897420, 2900932382, 4871794840, 5801864764, 7252330955, 11603729528, 14504661910, 15955128101, 29009323820, 31910256202, 58018647640, 63820512404, 79775640505, 127641024808, 159551281010, 319102562020, 638205124040]

約数ペア:

[(1, 638205124040), (2, 319102562020), (4, 159551281010), (5, 127641024808), (8, 79775640505), (10, 63820512404), (11, 58018647640), (20, 31910256202), (22, 29009323820), (40, 15955128101), (44, 14504661910), (55, 11603729528), (88, 7252330955), (110, 5801864764), (131, 4871794840), (220, 2900932382), (262, 2435897420), (440, 1450466191), (524, 1217948710), (571, 1117697240), (655, 974358968), (1048, 608974355), (1142, 558848620), (1310, 487179484), (1441, 442890440), (2284, 279424310), (2620, 243589742), (2855, 223539448), (2882, 221445220), (4568, 139712155), (5240, 121794871), (5710, 111769724), (5764, 110722610), (6281, 101608840), (7205, 88578088), (11420, 55884862), (11528, 55361305), (12562, 50804420), (14410, 44289044), (19391, 32912440), (22840, 27942431), (25124, 25402210), (28820, 22144522), (31405, 20321768), (38782, 16456220), (50248, 12701105), (57640, 11072261), (62810, 10160884), (74801, 8532040), (77564, 8228110), (96955, 6582488), (125620, 5080442), (149602, 4266020), (155128, 4114055), (193910, 3291244), (213301, 2992040), (251240, 2540221), (299204, 2133010), (374005, 1706408), (387820, 1645622), (426602, 1496020), (598408, 1066505), (748010, 853204), (775640, 822811)]