458080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{409}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 1239840

約数和(自身を除く): 781760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 409, 560, 818, 1120, 1636, 2045, 2863, 3272, 4090, 5726, 6544, 8180, 11452, 13088, 14315, 16360, 22904, 28630, 32720, 45808, 57260, 65440, 91616, 114520, 229040, 458080]

約数ペア:

[(1, 458080), (2, 229040), (4, 114520), (5, 91616), (7, 65440), (8, 57260), (10, 45808), (14, 32720), (16, 28630), (20, 22904), (28, 16360), (32, 14315), (35, 13088), (40, 11452), (56, 8180), (70, 6544), (80, 5726), (112, 4090), (140, 3272), (160, 2863), (224, 2045), (280, 1636), (409, 1120), (560, 818)]