220136420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{224629}}^1$

素因数の和:224652

約数の個数: 36

約数和(自身を含む): 537764220

約数和(自身を除く): 317627800

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 224629, 449258, 898516, 1123145, 1572403, 2246290, 3144806, 4492580, 6289612, 7862015, 11006821, 15724030, 22013642, 31448060, 44027284, 55034105, 110068210, 220136420]

約数ペア:

[(1, 220136420), (2, 110068210), (4, 55034105), (5, 44027284), (7, 31448060), (10, 22013642), (14, 15724030), (20, 11006821), (28, 7862015), (35, 6289612), (49, 4492580), (70, 3144806), (98, 2246290), (140, 1572403), (196, 1123145), (245, 898516), (490, 449258), (980, 224629)]