28506100

素因数分解:

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

素因数の和:425

約数の個数: 72

約数和(自身を含む): 71398208

約数和(自身を除く): 42892108

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, 772, 844, 965, 1055, 1351, 1477, 1930, 2110, 2702, 2954, 3860, 4220, 4825, 5275, 5404, 5908, 6755, 7385, 9650, 10550, 13510, 14770, 19300, 21100, 27020, 29540, 33775, 36925, 40723, 67550, 73850, 81446, 135100, 147700, 162892, 203615, 285061, 407230, 570122, 814460, 1018075, 1140244, 1425305, 2036150, 2850610, 4072300, 5701220, 7126525, 14253050, 28506100]

約数ペア:

[(1, 28506100), (2, 14253050), (4, 7126525), (5, 5701220), (7, 4072300), (10, 2850610), (14, 2036150), (20, 1425305), (25, 1140244), (28, 1018075), (35, 814460), (50, 570122), (70, 407230), (100, 285061), (140, 203615), (175, 162892), (193, 147700), (211, 135100), (350, 81446), (386, 73850), (422, 67550), (700, 40723), (772, 36925), (844, 33775), (965, 29540), (1055, 27020), (1351, 21100), (1477, 19300), (1930, 14770), (2110, 13510), (2702, 10550), (2954, 9650), (3860, 7385), (4220, 6755), (4825, 5908), (5275, 5404)]