284464520

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{5569}}^1$

素因数の和:6857

約数の個数: 32

約数和(自身を含む): 640661400

約数和(自身を除く): 356196880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2554, 5108, 5569, 6385, 10216, 11138, 12770, 22276, 25540, 27845, 44552, 51080, 55690, 111380, 222760, 7111613, 14223226, 28446452, 35558065, 56892904, 71116130, 142232260, 284464520]

約数ペア:

[(1, 284464520), (2, 142232260), (4, 71116130), (5, 56892904), (8, 35558065), (10, 28446452), (20, 14223226), (40, 7111613), (1277, 222760), (2554, 111380), (5108, 55690), (5569, 51080), (6385, 44552), (10216, 27845), (11138, 25540), (12770, 22276)]