403940890

素因数分解:

$2^1\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{28307}}^1$

素因数の和:29741

約数の個数: 16

約数和(自身を含む): 727628832

約数和(自身を除く): 323687942

約数列:

[1, 2, 5, 10, 1427, 2854, 7135, 14270, 28307, 56614, 141535, 283070, 40394089, 80788178, 201970445, 403940890]

約数ペア:

[(1, 403940890), (2, 201970445), (5, 80788178), (10, 40394089), (1427, 283070), (2854, 141535), (7135, 56614), (14270, 28307)]