42920920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 119439360

約数和(自身を除く): 76518440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 85, 119, 127, 136, 140, 142, 170, 238, 254, 280, 284, 340, 355, 476, 497, 508, 568, 595, 635, 680, 710, 889, 952, 994, 1016, 1190, 1207, 1270, 1420, 1778, 1988, 2159, 2380, 2414, 2485, 2540, 2840, 3556, 3976, 4318, 4445, 4760, 4828, 4970, 5080, 6035, 7112, 8449, 8636, 8890, 9017, 9656, 9940, 10795, 12070, 15113, 16898, 17272, 17780, 18034, 19880, 21590, 24140, 30226, 33796, 35560, 36068, 42245, 43180, 45085, 48280, 60452, 63119, 67592, 72136, 75565, 84490, 86360, 90170, 120904, 126238, 151130, 153289, 168980, 180340, 252476, 302260, 306578, 315595, 337960, 360680, 504952, 604520, 613156, 631190, 766445, 1073023, 1226312, 1262380, 1532890, 2146046, 2524760, 3065780, 4292092, 5365115, 6131560, 8584184, 10730230, 21460460, 42920920]

約数ペア:

[(1, 42920920), (2, 21460460), (4, 10730230), (5, 8584184), (7, 6131560), (8, 5365115), (10, 4292092), (14, 3065780), (17, 2524760), (20, 2146046), (28, 1532890), (34, 1262380), (35, 1226312), (40, 1073023), (56, 766445), (68, 631190), (70, 613156), (71, 604520), (85, 504952), (119, 360680), (127, 337960), (136, 315595), (140, 306578), (142, 302260), (170, 252476), (238, 180340), (254, 168980), (280, 153289), (284, 151130), (340, 126238), (355, 120904), (476, 90170), (497, 86360), (508, 84490), (568, 75565), (595, 72136), (635, 67592), (680, 63119), (710, 60452), (889, 48280), (952, 45085), (994, 43180), (1016, 42245), (1190, 36068), (1207, 35560), (1270, 33796), (1420, 30226), (1778, 24140), (1988, 21590), (2159, 19880), (2380, 18034), (2414, 17780), (2485, 17272), (2540, 16898), (2840, 15113), (3556, 12070), (3976, 10795), (4318, 9940), (4445, 9656), (4760, 9017), (4828, 8890), (4970, 8636), (5080, 8449), (6035, 7112)]