255399620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{1499}}^1$

素因数の和:2732

約数の個数: 48

約数和(自身を含む): 613872000

約数和(自身を除く): 358472380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1217, 1499, 2434, 2998, 4868, 5996, 6085, 7495, 8519, 10493, 12170, 14990, 17038, 20986, 24340, 29980, 34076, 41972, 42595, 52465, 85190, 104930, 170380, 209860, 1824283, 3648566, 7297132, 9121415, 12769981, 18242830, 25539962, 36485660, 51079924, 63849905, 127699810, 255399620]

約数ペア:

[(1, 255399620), (2, 127699810), (4, 63849905), (5, 51079924), (7, 36485660), (10, 25539962), (14, 18242830), (20, 12769981), (28, 9121415), (35, 7297132), (70, 3648566), (140, 1824283), (1217, 209860), (1499, 170380), (2434, 104930), (2998, 85190), (4868, 52465), (5996, 42595), (6085, 41972), (7495, 34076), (8519, 29980), (10493, 24340), (12170, 20986), (14990, 17038)]