20210824900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:1134

約数の個数: 144

約数和(自身を含む): 50692727680

約数和(自身を除く): 30481902780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 193, 211, 350, 386, 422, 700, 709, 772, 844, 965, 1055, 1351, 1418, 1477, 1930, 2110, 2702, 2836, 2954, 3545, 3860, 4220, 4825, 4963, 5275, 5404, 5908, 6755, 7090, 7385, 9650, 9926, 10550, 13510, 14180, 14770, 17725, 19300, 19852, 21100, 24815, 27020, 29540, 33775, 35450, 36925, 40723, 49630, 67550, 70900, 73850, 81446, 99260, 124075, 135100, 136837, 147700, 149599, 162892, 203615, 248150, 273674, 285061, 299198, 407230, 496300, 547348, 570122, 598396, 684185, 747995, 814460, 957859, 1018075, 1047193, 1140244, 1368370, 1425305, 1495990, 1915718, 2036150, 2094386, 2736740, 2850610, 2991980, 3420925, 3739975, 3831436, 4072300, 4188772, 4789295, 5235965, 5701220, 6841850, 7126525, 7479950, 9578590, 10471930, 13683700, 14253050, 14959900, 19157180, 20943860, 23946475, 26179825, 28506100, 28872607, 47892950, 52359650, 57745214, 95785900, 104719300, 115490428, 144363035, 202108249, 288726070, 404216498, 577452140, 721815175, 808432996, 1010541245, 1443630350, 2021082490, 2887260700, 4042164980, 5052706225, 10105412450, 20210824900]

約数ペア:

[(1, 20210824900), (2, 10105412450), (4, 5052706225), (5, 4042164980), (7, 2887260700), (10, 2021082490), (14, 1443630350), (20, 1010541245), (25, 808432996), (28, 721815175), (35, 577452140), (50, 404216498), (70, 288726070), (100, 202108249), (140, 144363035), (175, 115490428), (193, 104719300), (211, 95785900), (350, 57745214), (386, 52359650), (422, 47892950), (700, 28872607), (709, 28506100), (772, 26179825), (844, 23946475), (965, 20943860), (1055, 19157180), (1351, 14959900), (1418, 14253050), (1477, 13683700), (1930, 10471930), (2110, 9578590), (2702, 7479950), (2836, 7126525), (2954, 6841850), (3545, 5701220), (3860, 5235965), (4220, 4789295), (4825, 4188772), (4963, 4072300), (5275, 3831436), (5404, 3739975), (5908, 3420925), (6755, 2991980), (7090, 2850610), (7385, 2736740), (9650, 2094386), (9926, 2036150), (10550, 1915718), (13510, 1495990), (14180, 1425305), (14770, 1368370), (17725, 1140244), (19300, 1047193), (19852, 1018075), (21100, 957859), (24815, 814460), (27020, 747995), (29540, 684185), (33775, 598396), (35450, 570122), (36925, 547348), (40723, 496300), (49630, 407230), (67550, 299198), (70900, 285061), (73850, 273674), (81446, 248150), (99260, 203615), (124075, 162892), (135100, 149599), (136837, 147700)]