533640400

素因数分解:

$2^4\times 5^2\times {\mathrm{1334101}}^1$

素因数の和:1334119

約数の個数: 30

約数和(自身を含む): 1282072022

約数和(自身を除く): 748431622

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1334101, 2668202, 5336404, 6670505, 10672808, 13341010, 21345616, 26682020, 33352525, 53364040, 66705050, 106728080, 133410100, 266820200, 533640400]

約数ペア:

[(1, 533640400), (2, 266820200), (4, 133410100), (5, 106728080), (8, 66705050), (10, 53364040), (16, 33352525), (20, 26682020), (25, 21345616), (40, 13341010), (50, 10672808), (80, 6670505), (100, 5336404), (200, 2668202), (400, 1334101)]