31270428

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 99590400

約数和(自身を除く): 68319972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 76, 84, 98, 108, 114, 126, 133, 147, 171, 189, 196, 228, 252, 266, 294, 311, 342, 378, 399, 441, 513, 532, 588, 622, 684, 756, 798, 882, 931, 933, 1026, 1197, 1244, 1323, 1596, 1764, 1862, 1866, 2052, 2177, 2394, 2646, 2793, 2799, 3591, 3724, 3732, 4354, 4788, 5292, 5586, 5598, 5909, 6531, 7182, 8379, 8397, 8708, 11172, 11196, 11818, 13062, 14364, 15239, 16758, 16794, 17727, 19593, 23636, 25137, 26124, 30478, 33516, 33588, 35454, 39186, 41363, 45717, 50274, 53181, 58779, 60956, 70908, 78372, 82726, 91434, 100548, 106362, 117558, 124089, 137151, 159543, 165452, 182868, 212724, 235116, 248178, 274302, 289541, 319086, 372267, 411453, 496356, 548604, 579082, 638172, 744534, 822906, 868623, 1116801, 1158164, 1489068, 1645812, 1737246, 2233602, 2605869, 3474492, 4467204, 5211738, 7817607, 10423476, 15635214, 31270428]

約数ペア:

[(1, 31270428), (2, 15635214), (3, 10423476), (4, 7817607), (6, 5211738), (7, 4467204), (9, 3474492), (12, 2605869), (14, 2233602), (18, 1737246), (19, 1645812), (21, 1489068), (27, 1158164), (28, 1116801), (36, 868623), (38, 822906), (42, 744534), (49, 638172), (54, 579082), (57, 548604), (63, 496356), (76, 411453), (84, 372267), (98, 319086), (108, 289541), (114, 274302), (126, 248178), (133, 235116), (147, 212724), (171, 182868), (189, 165452), (196, 159543), (228, 137151), (252, 124089), (266, 117558), (294, 106362), (311, 100548), (342, 91434), (378, 82726), (399, 78372), (441, 70908), (513, 60956), (532, 58779), (588, 53181), (622, 50274), (684, 45717), (756, 41363), (798, 39186), (882, 35454), (931, 33588), (933, 33516), (1026, 30478), (1197, 26124), (1244, 25137), (1323, 23636), (1596, 19593), (1764, 17727), (1862, 16794), (1866, 16758), (2052, 15239), (2177, 14364), (2394, 13062), (2646, 11818), (2793, 11196), (2799, 11172), (3591, 8708), (3724, 8397), (3732, 8379), (4354, 7182), (4788, 6531), (5292, 5909), (5586, 5598)]