207009080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139871}}^1$

素因数の和:139919

約数の個数: 32

約数和(自身を含む): 478362240

約数和(自身を除く): 271353160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 139871, 279742, 559484, 699355, 1118968, 1398710, 2797420, 5175227, 5594840, 10350454, 20700908, 25876135, 41401816, 51752270, 103504540, 207009080]

約数ペア:

[(1, 207009080), (2, 103504540), (4, 51752270), (5, 41401816), (8, 25876135), (10, 20700908), (20, 10350454), (37, 5594840), (40, 5175227), (74, 2797420), (148, 1398710), (185, 1118968), (296, 699355), (370, 559484), (740, 279742), (1480, 139871)]