280212800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 168

約数和(自身を含む): 798234624

約数和(自身を除く): 518021824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 127, 140, 160, 175, 197, 200, 224, 254, 280, 320, 350, 394, 400, 448, 508, 560, 635, 700, 788, 800, 889, 985, 1016, 1120, 1270, 1379, 1400, 1576, 1600, 1778, 1970, 2032, 2240, 2540, 2758, 2800, 3152, 3175, 3556, 3940, 4064, 4445, 4925, 5080, 5516, 5600, 6304, 6350, 6895, 7112, 7880, 8128, 8890, 9850, 10160, 11032, 11200, 12608, 12700, 13790, 14224, 15760, 17780, 19700, 20320, 22064, 22225, 25019, 25400, 27580, 28448, 31520, 34475, 35560, 39400, 40640, 44128, 44450, 50038, 50800, 55160, 56896, 63040, 68950, 71120, 78800, 88256, 88900, 100076, 101600, 110320, 125095, 137900, 142240, 157600, 175133, 177800, 200152, 203200, 220640, 250190, 275800, 284480, 315200, 350266, 355600, 400304, 441280, 500380, 551600, 625475, 700532, 711200, 800608, 875665, 1000760, 1103200, 1250950, 1401064, 1422400, 1601216, 1751330, 2001520, 2206400, 2501900, 2802128, 3502660, 4003040, 4378325, 5003800, 5604256, 7005320, 8006080, 8756650, 10007600, 11208512, 14010640, 17513300, 20015200, 28021280, 35026600, 40030400, 56042560, 70053200, 140106400, 280212800]

約数ペア:

[(1, 280212800), (2, 140106400), (4, 70053200), (5, 56042560), (7, 40030400), (8, 35026600), (10, 28021280), (14, 20015200), (16, 17513300), (20, 14010640), (25, 11208512), (28, 10007600), (32, 8756650), (35, 8006080), (40, 7005320), (50, 5604256), (56, 5003800), (64, 4378325), (70, 4003040), (80, 3502660), (100, 2802128), (112, 2501900), (127, 2206400), (140, 2001520), (160, 1751330), (175, 1601216), (197, 1422400), (200, 1401064), (224, 1250950), (254, 1103200), (280, 1000760), (320, 875665), (350, 800608), (394, 711200), (400, 700532), (448, 625475), (508, 551600), (560, 500380), (635, 441280), (700, 400304), (788, 355600), (800, 350266), (889, 315200), (985, 284480), (1016, 275800), (1120, 250190), (1270, 220640), (1379, 203200), (1400, 200152), (1576, 177800), (1600, 175133), (1778, 157600), (1970, 142240), (2032, 137900), (2240, 125095), (2540, 110320), (2758, 101600), (2800, 100076), (3152, 88900), (3175, 88256), (3556, 78800), (3940, 71120), (4064, 68950), (4445, 63040), (4925, 56896), (5080, 55160), (5516, 50800), (5600, 50038), (6304, 44450), (6350, 44128), (6895, 40640), (7112, 39400), (7880, 35560), (8128, 34475), (8890, 31520), (9850, 28448), (10160, 27580), (11032, 25400), (11200, 25019), (12608, 22225), (12700, 22064), (13790, 20320), (14224, 19700), (15760, 17780)]