42121900

素因数分解:

$2^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{1499}}^1$

素因数の和:1794

約数の個数: 36

約数和(自身を含む): 91791000

約数和(自身を除く): 49669100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 281, 562, 1124, 1405, 1499, 2810, 2998, 5620, 5996, 7025, 7495, 14050, 14990, 28100, 29980, 37475, 74950, 149900, 421219, 842438, 1684876, 2106095, 4212190, 8424380, 10530475, 21060950, 42121900]

約数ペア:

[(1, 42121900), (2, 21060950), (4, 10530475), (5, 8424380), (10, 4212190), (20, 2106095), (25, 1684876), (50, 842438), (100, 421219), (281, 149900), (562, 74950), (1124, 37475), (1405, 29980), (1499, 28100), (2810, 14990), (2998, 14050), (5620, 7495), (5996, 7025)]