206815940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{279481}}^1$

素因数の和:279527

約数の個数: 24

約数和(自身を含む): 446053272

約数和(自身を除く): 239237332

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 279481, 558962, 1117924, 1397405, 2794810, 5589620, 10340797, 20681594, 41363188, 51703985, 103407970, 206815940]

約数ペア:

[(1, 206815940), (2, 103407970), (4, 51703985), (5, 41363188), (10, 20681594), (20, 10340797), (37, 5589620), (74, 2794810), (148, 1397405), (185, 1117924), (370, 558962), (740, 279481)]