28923160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1949}}^1$

素因数の和:2020

約数の個数: 64

約数和(自身を含む): 75816000

約数和(自身を除く): 46892840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 1949, 2120, 2968, 3710, 3898, 7420, 7796, 9745, 13643, 14840, 15592, 19490, 27286, 38980, 54572, 68215, 77960, 103297, 109144, 136430, 206594, 272860, 413188, 516485, 545720, 723079, 826376, 1032970, 1446158, 2065940, 2892316, 3615395, 4131880, 5784632, 7230790, 14461580, 28923160]

約数ペア:

[(1, 28923160), (2, 14461580), (4, 7230790), (5, 5784632), (7, 4131880), (8, 3615395), (10, 2892316), (14, 2065940), (20, 1446158), (28, 1032970), (35, 826376), (40, 723079), (53, 545720), (56, 516485), (70, 413188), (106, 272860), (140, 206594), (212, 136430), (265, 109144), (280, 103297), (371, 77960), (424, 68215), (530, 54572), (742, 38980), (1060, 27286), (1484, 19490), (1855, 15592), (1949, 14840), (2120, 13643), (2968, 9745), (3710, 7796), (3898, 7420)]