87678140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1129}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 201610080

約数和(自身を除く): 113931940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 353, 706, 1129, 1412, 1765, 2258, 3530, 3883, 4516, 5645, 7060, 7766, 11290, 12419, 15532, 19415, 22580, 24838, 38830, 49676, 62095, 77660, 124190, 248380, 398537, 797074, 1594148, 1992685, 3985370, 4383907, 7970740, 8767814, 17535628, 21919535, 43839070, 87678140]

約数ペア:

[(1, 87678140), (2, 43839070), (4, 21919535), (5, 17535628), (10, 8767814), (11, 7970740), (20, 4383907), (22, 3985370), (44, 1992685), (55, 1594148), (110, 797074), (220, 398537), (353, 248380), (706, 124190), (1129, 77660), (1412, 62095), (1765, 49676), (2258, 38830), (3530, 24838), (3883, 22580), (4516, 19415), (5645, 15532), (7060, 12419), (7766, 11290)]