28050680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 50331400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 83, 85, 119, 136, 140, 142, 166, 170, 238, 280, 284, 332, 340, 355, 415, 476, 497, 568, 581, 595, 664, 680, 710, 830, 952, 994, 1162, 1190, 1207, 1411, 1420, 1660, 1988, 2324, 2380, 2414, 2485, 2822, 2840, 2905, 3320, 3976, 4648, 4760, 4828, 4970, 5644, 5810, 5893, 6035, 7055, 8449, 9656, 9877, 9940, 11288, 11620, 11786, 12070, 14110, 16898, 19754, 19880, 23240, 23572, 24140, 28220, 29465, 33796, 39508, 41251, 42245, 47144, 48280, 49385, 56440, 58930, 67592, 79016, 82502, 84490, 98770, 100181, 117860, 165004, 168980, 197540, 200362, 206255, 235720, 330008, 337960, 395080, 400724, 412510, 500905, 701267, 801448, 825020, 1001810, 1402534, 1650040, 2003620, 2805068, 3506335, 4007240, 5610136, 7012670, 14025340, 28050680]

約数ペア:

[(1, 28050680), (2, 14025340), (4, 7012670), (5, 5610136), (7, 4007240), (8, 3506335), (10, 2805068), (14, 2003620), (17, 1650040), (20, 1402534), (28, 1001810), (34, 825020), (35, 801448), (40, 701267), (56, 500905), (68, 412510), (70, 400724), (71, 395080), (83, 337960), (85, 330008), (119, 235720), (136, 206255), (140, 200362), (142, 197540), (166, 168980), (170, 165004), (238, 117860), (280, 100181), (284, 98770), (332, 84490), (340, 82502), (355, 79016), (415, 67592), (476, 58930), (497, 56440), (568, 49385), (581, 48280), (595, 47144), (664, 42245), (680, 41251), (710, 39508), (830, 33796), (952, 29465), (994, 28220), (1162, 24140), (1190, 23572), (1207, 23240), (1411, 19880), (1420, 19754), (1660, 16898), (1988, 14110), (2324, 12070), (2380, 11786), (2414, 11620), (2485, 11288), (2822, 9940), (2840, 9877), (2905, 9656), (3320, 8449), (3976, 7055), (4648, 6035), (4760, 5893), (4828, 5810), (4970, 5644)]