1780147190

素因数分解:

$2^1\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{120199}}^1$

素因数の和:121687

約数の個数: 16

約数和(自身を含む): 3206455200

約数和(自身を除く): 1426308010

約数列:

[1, 2, 5, 10, 1481, 2962, 7405, 14810, 120199, 240398, 600995, 1201990, 178014719, 356029438, 890073595, 1780147190]

約数ペア:

[(1, 1780147190), (2, 890073595), (5, 356029438), (10, 178014719), (1481, 1201990), (2962, 600995), (7405, 240398), (14810, 120199)]