428127050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21247}}^1$

素因数の和:21303

約数の個数: 48

約数和(自身を含む): 885276672

約数和(自身を除く): 457149622

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 20150, 21247, 42494, 106235, 212470, 276211, 531175, 552422, 658657, 1062350, 1317314, 1381055, 2762110, 3293285, 6586570, 6905275, 8562541, 13810550, 16466425, 17125082, 32932850, 42812705, 85625410, 214063525, 428127050]

約数ペア:

[(1, 428127050), (2, 214063525), (5, 85625410), (10, 42812705), (13, 32932850), (25, 17125082), (26, 16466425), (31, 13810550), (50, 8562541), (62, 6905275), (65, 6586570), (130, 3293285), (155, 2762110), (310, 1381055), (325, 1317314), (403, 1062350), (650, 658657), (775, 552422), (806, 531175), (1550, 276211), (2015, 212470), (4030, 106235), (10075, 42494), (20150, 21247)]