127090220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{71399}}^1$

素因数の和:71497

約数の個数: 24

約数和(自身を含む): 269892000

約数和(自身を除く): 142801780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 71399, 142798, 285596, 356995, 713990, 1427980, 6354511, 12709022, 25418044, 31772555, 63545110, 127090220]

約数ペア:

[(1, 127090220), (2, 63545110), (4, 31772555), (5, 25418044), (10, 12709022), (20, 6354511), (89, 1427980), (178, 713990), (356, 356995), (445, 285596), (890, 142798), (1780, 71399)]