209246140

素因数分解:

$2^2\times 5^1\times {\mathrm{2671}}^1\times {\mathrm{3917}}^1$

素因数の和:6597

約数の個数: 24

約数和(自身を含む): 439693632

約数和(自身を除く): 230447492

約数列:

[1, 2, 4, 5, 10, 20, 2671, 3917, 5342, 7834, 10684, 13355, 15668, 19585, 26710, 39170, 53420, 78340, 10462307, 20924614, 41849228, 52311535, 104623070, 209246140]

約数ペア:

[(1, 209246140), (2, 104623070), (4, 52311535), (5, 41849228), (10, 20924614), (20, 10462307), (2671, 78340), (3917, 53420), (5342, 39170), (7834, 26710), (10684, 19585), (13355, 15668)]