87144820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{6163}}^1$

素因数の和:6280

約数の個数: 48

約数和(自身を含む): 211252608

約数和(自身を除く): 124107788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 6163, 7070, 12326, 14140, 24652, 30815, 43141, 61630, 86282, 123260, 172564, 215705, 431410, 622463, 862820, 1244926, 2489852, 3112315, 4357241, 6224630, 8714482, 12449260, 17428964, 21786205, 43572410, 87144820]

約数ペア:

[(1, 87144820), (2, 43572410), (4, 21786205), (5, 17428964), (7, 12449260), (10, 8714482), (14, 6224630), (20, 4357241), (28, 3112315), (35, 2489852), (70, 1244926), (101, 862820), (140, 622463), (202, 431410), (404, 215705), (505, 172564), (707, 123260), (1010, 86282), (1414, 61630), (2020, 43141), (2828, 30815), (3535, 24652), (6163, 14140), (7070, 12326)]