2077779880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{70481}}^1$

素因数の和:70570

約数の個数: 64

約数和(自身を含む): 5176198080

約数和(自身を除く): 3098418200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2948, 3685, 5896, 7370, 14740, 29480, 70481, 140962, 281924, 352405, 563848, 704810, 775291, 1409620, 1550582, 2819240, 3101164, 3876455, 4722227, 6202328, 7752910, 9444454, 15505820, 18888908, 23611135, 31011640, 37777816, 47222270, 51944497, 94444540, 103888994, 188889080, 207777988, 259722485, 415555976, 519444970, 1038889940, 2077779880]

約数ペア:

[(1, 2077779880), (2, 1038889940), (4, 519444970), (5, 415555976), (8, 259722485), (10, 207777988), (11, 188889080), (20, 103888994), (22, 94444540), (40, 51944497), (44, 47222270), (55, 37777816), (67, 31011640), (88, 23611135), (110, 18888908), (134, 15505820), (220, 9444454), (268, 7752910), (335, 6202328), (440, 4722227), (536, 3876455), (670, 3101164), (737, 2819240), (1340, 1550582), (1474, 1409620), (2680, 775291), (2948, 704810), (3685, 563848), (5896, 352405), (7370, 281924), (14740, 140962), (29480, 70481)]