9800420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70003}}^1$

素因数の和:70019

約数の個数: 24

約数和(自身を含む): 23521344

約数和(自身を除く): 13720924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70003, 140006, 280012, 350015, 490021, 700030, 980042, 1400060, 1960084, 2450105, 4900210, 9800420]

約数ペア:

[(1, 9800420), (2, 4900210), (4, 2450105), (5, 1960084), (7, 1400060), (10, 980042), (14, 700030), (20, 490021), (28, 350015), (35, 280012), (70, 140006), (140, 70003)]