208207980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1156711}}^1$

素因数の和:1156726

約数の個数: 36

約数和(自身を含む): 631564752

約数和(自身を除く): 423356772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1156711, 2313422, 3470133, 4626844, 5783555, 6940266, 10410399, 11567110, 13880532, 17350665, 20820798, 23134220, 34701330, 41641596, 52051995, 69402660, 104103990, 208207980]

約数ペア:

[(1, 208207980), (2, 104103990), (3, 69402660), (4, 52051995), (5, 41641596), (6, 34701330), (9, 23134220), (10, 20820798), (12, 17350665), (15, 13880532), (18, 11567110), (20, 10410399), (30, 6940266), (36, 5783555), (45, 4626844), (60, 3470133), (90, 2313422), (180, 1156711)]