28305262070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{293}}^1\times {\mathrm{1109}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 53008058880

約数和(自身を除く): 24702796810

約数列:

[1, 2, 5, 10, 31, 62, 155, 281, 293, 310, 562, 586, 1109, 1405, 1465, 2218, 2810, 2930, 5545, 8711, 9083, 11090, 17422, 18166, 34379, 43555, 45415, 68758, 82333, 87110, 90830, 164666, 171895, 311629, 324937, 343790, 411665, 623258, 649874, 823330, 1558145, 1624685, 2552323, 3116290, 3249370, 5104646, 9660499, 10073047, 12761615, 19320998, 20146094, 25523230, 48302495, 50365235, 91307297, 96604990, 100730470, 182614594, 456536485, 913072970, 2830526207, 5661052414, 14152631035, 28305262070]

約数ペア:

[(1, 28305262070), (2, 14152631035), (5, 5661052414), (10, 2830526207), (31, 913072970), (62, 456536485), (155, 182614594), (281, 100730470), (293, 96604990), (310, 91307297), (562, 50365235), (586, 48302495), (1109, 25523230), (1405, 20146094), (1465, 19320998), (2218, 12761615), (2810, 10073047), (2930, 9660499), (5545, 5104646), (8711, 3249370), (9083, 3116290), (11090, 2552323), (17422, 1624685), (18166, 1558145), (34379, 823330), (43555, 649874), (45415, 623258), (68758, 411665), (82333, 343790), (87110, 324937), (90830, 311629), (164666, 171895)]