402294820

素因数分解:

$2^2\times 5^1\times {\mathrm{4463}}^1\times {\mathrm{4507}}^1$

素因数の和:8979

約数の個数: 24

約数和(自身を含む): 845195904

約数和(自身を除く): 442901084

約数列:

[1, 2, 4, 5, 10, 20, 4463, 4507, 8926, 9014, 17852, 18028, 22315, 22535, 44630, 45070, 89260, 90140, 20114741, 40229482, 80458964, 100573705, 201147410, 402294820]

約数ペア:

[(1, 402294820), (2, 201147410), (4, 100573705), (5, 80458964), (10, 40229482), (20, 20114741), (4463, 90140), (4507, 89260), (8926, 45070), (9014, 44630), (17852, 22535), (18028, 22315)]