257068740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138209}}^1$

素因数の和:138252

約数の個数: 48

約数和(自身を含む): 743016960

約数和(自身を除く): 485948220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 138209, 276418, 414627, 552836, 691045, 829254, 1382090, 1658508, 2073135, 2764180, 4146270, 4284479, 8292540, 8568958, 12853437, 17137916, 21422395, 25706874, 42844790, 51413748, 64267185, 85689580, 128534370, 257068740]

約数ペア:

[(1, 257068740), (2, 128534370), (3, 85689580), (4, 64267185), (5, 51413748), (6, 42844790), (10, 25706874), (12, 21422395), (15, 17137916), (20, 12853437), (30, 8568958), (31, 8292540), (60, 4284479), (62, 4146270), (93, 2764180), (124, 2073135), (155, 1658508), (186, 1382090), (310, 829254), (372, 691045), (465, 552836), (620, 414627), (930, 276418), (1860, 138209)]