288920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 673920

約数和(自身を除く): 385000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 233, 248, 310, 466, 620, 932, 1165, 1240, 1864, 2330, 4660, 7223, 9320, 14446, 28892, 36115, 57784, 72230, 144460, 288920]

約数ペア:

[(1, 288920), (2, 144460), (4, 72230), (5, 57784), (8, 36115), (10, 28892), (20, 14446), (31, 9320), (40, 7223), (62, 4660), (124, 2330), (155, 1864), (233, 1240), (248, 1165), (310, 932), (466, 620)]