254312344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 592220160

約数和(自身を除く): 337907816

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 71, 88, 101, 104, 124, 142, 143, 202, 248, 284, 286, 341, 403, 404, 568, 572, 682, 781, 806, 808, 923, 1111, 1144, 1313, 1364, 1562, 1612, 1846, 2201, 2222, 2626, 2728, 3124, 3131, 3224, 3692, 4402, 4433, 4444, 5252, 6248, 6262, 7171, 7384, 8804, 8866, 8888, 10153, 10504, 12524, 14342, 14443, 17608, 17732, 20306, 24211, 25048, 28613, 28684, 28886, 34441, 35464, 40612, 40703, 48422, 57226, 57368, 57772, 68882, 78881, 81224, 81406, 93223, 96844, 114452, 115544, 137764, 157762, 162812, 186446, 193688, 222301, 228904, 275528, 314743, 315524, 325624, 372892, 444602, 447733, 629486, 631048, 745784, 889204, 895466, 1025453, 1258972, 1778408, 1790932, 2050906, 2445311, 2517944, 2889913, 3581864, 4101812, 4890622, 5779826, 8203624, 9781244, 11559652, 19562488, 23119304, 31789043, 63578086, 127156172, 254312344]

約数ペア:

[(1, 254312344), (2, 127156172), (4, 63578086), (8, 31789043), (11, 23119304), (13, 19562488), (22, 11559652), (26, 9781244), (31, 8203624), (44, 5779826), (52, 4890622), (62, 4101812), (71, 3581864), (88, 2889913), (101, 2517944), (104, 2445311), (124, 2050906), (142, 1790932), (143, 1778408), (202, 1258972), (248, 1025453), (284, 895466), (286, 889204), (341, 745784), (403, 631048), (404, 629486), (568, 447733), (572, 444602), (682, 372892), (781, 325624), (806, 315524), (808, 314743), (923, 275528), (1111, 228904), (1144, 222301), (1313, 193688), (1364, 186446), (1562, 162812), (1612, 157762), (1846, 137764), (2201, 115544), (2222, 114452), (2626, 96844), (2728, 93223), (3124, 81406), (3131, 81224), (3224, 78881), (3692, 68882), (4402, 57772), (4433, 57368), (4444, 57226), (5252, 48422), (6248, 40703), (6262, 40612), (7171, 35464), (7384, 34441), (8804, 28886), (8866, 28684), (8888, 28613), (10153, 25048), (10504, 24211), (12524, 20306), (14342, 17732), (14443, 17608)]