1097780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 2328480

約数和(自身を除く): 1230700

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 419, 524, 655, 838, 1310, 1676, 2095, 2620, 4190, 8380, 54889, 109778, 219556, 274445, 548890, 1097780]

約数ペア:

[(1, 1097780), (2, 548890), (4, 274445), (5, 219556), (10, 109778), (20, 54889), (131, 8380), (262, 4190), (419, 2620), (524, 2095), (655, 1676), (838, 1310)]