140428728

素因数分解:

$2^3\times 3^6\times {\mathrm{11}}^2\times {\mathrm{199}}^1$

素因数の和:245

約数の個数: 168

約数和(自身を含む): 436107000

約数和(自身を除く): 295678272

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 121, 132, 162, 198, 199, 216, 242, 243, 264, 297, 324, 363, 396, 398, 484, 486, 594, 597, 648, 726, 729, 792, 796, 891, 968, 972, 1089, 1188, 1194, 1452, 1458, 1592, 1782, 1791, 1944, 2178, 2189, 2376, 2388, 2673, 2904, 2916, 3267, 3564, 3582, 4356, 4378, 4776, 5346, 5373, 5832, 6534, 6567, 7128, 7164, 8019, 8712, 8756, 9801, 10692, 10746, 13068, 13134, 14328, 16038, 16119, 17512, 19602, 19701, 21384, 21492, 24079, 26136, 26268, 29403, 32076, 32238, 39204, 39402, 42984, 48158, 48357, 52536, 58806, 59103, 64152, 64476, 72237, 78408, 78804, 88209, 96316, 96714, 117612, 118206, 128952, 144474, 145071, 157608, 176418, 177309, 192632, 193428, 216711, 235224, 236412, 288948, 290142, 352836, 354618, 386856, 433422, 472824, 531927, 577896, 580284, 650133, 705672, 709236, 866844, 1063854, 1160568, 1300266, 1418472, 1595781, 1733688, 1950399, 2127708, 2600532, 3191562, 3900798, 4255416, 5201064, 5851197, 6383124, 7801596, 11702394, 12766248, 15603192, 17553591, 23404788, 35107182, 46809576, 70214364, 140428728]

約数ペア:

[(1, 140428728), (2, 70214364), (3, 46809576), (4, 35107182), (6, 23404788), (8, 17553591), (9, 15603192), (11, 12766248), (12, 11702394), (18, 7801596), (22, 6383124), (24, 5851197), (27, 5201064), (33, 4255416), (36, 3900798), (44, 3191562), (54, 2600532), (66, 2127708), (72, 1950399), (81, 1733688), (88, 1595781), (99, 1418472), (108, 1300266), (121, 1160568), (132, 1063854), (162, 866844), (198, 709236), (199, 705672), (216, 650133), (242, 580284), (243, 577896), (264, 531927), (297, 472824), (324, 433422), (363, 386856), (396, 354618), (398, 352836), (484, 290142), (486, 288948), (594, 236412), (597, 235224), (648, 216711), (726, 193428), (729, 192632), (792, 177309), (796, 176418), (891, 157608), (968, 145071), (972, 144474), (1089, 128952), (1188, 118206), (1194, 117612), (1452, 96714), (1458, 96316), (1592, 88209), (1782, 78804), (1791, 78408), (1944, 72237), (2178, 64476), (2189, 64152), (2376, 59103), (2388, 58806), (2673, 52536), (2904, 48357), (2916, 48158), (3267, 42984), (3564, 39402), (3582, 39204), (4356, 32238), (4378, 32076), (4776, 29403), (5346, 26268), (5373, 26136), (5832, 24079), (6534, 21492), (6567, 21384), (7128, 19701), (7164, 19602), (8019, 17512), (8712, 16119), (8756, 16038), (9801, 14328), (10692, 13134), (10746, 13068)]