28642600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 78120000

約数和(自身を除く): 49477400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 50, 56, 70, 82, 100, 140, 164, 175, 200, 205, 280, 287, 328, 350, 410, 499, 574, 700, 820, 998, 1025, 1148, 1400, 1435, 1640, 1996, 2050, 2296, 2495, 2870, 3493, 3992, 4100, 4990, 5740, 6986, 7175, 8200, 9980, 11480, 12475, 13972, 14350, 17465, 19960, 20459, 24950, 27944, 28700, 34930, 40918, 49900, 57400, 69860, 81836, 87325, 99800, 102295, 139720, 143213, 163672, 174650, 204590, 286426, 349300, 409180, 511475, 572852, 698600, 716065, 818360, 1022950, 1145704, 1432130, 2045900, 2864260, 3580325, 4091800, 5728520, 7160650, 14321300, 28642600]

約数ペア:

[(1, 28642600), (2, 14321300), (4, 7160650), (5, 5728520), (7, 4091800), (8, 3580325), (10, 2864260), (14, 2045900), (20, 1432130), (25, 1145704), (28, 1022950), (35, 818360), (40, 716065), (41, 698600), (50, 572852), (56, 511475), (70, 409180), (82, 349300), (100, 286426), (140, 204590), (164, 174650), (175, 163672), (200, 143213), (205, 139720), (280, 102295), (287, 99800), (328, 87325), (350, 81836), (410, 69860), (499, 57400), (574, 49900), (700, 40918), (820, 34930), (998, 28700), (1025, 27944), (1148, 24950), (1400, 20459), (1435, 19960), (1640, 17465), (1996, 14350), (2050, 13972), (2296, 12475), (2495, 11480), (2870, 9980), (3493, 8200), (3992, 7175), (4100, 6986), (4990, 5740)]