688514820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{2083}}^1$

素因数の和:2889

約数の個数: 96

約数和(自身を含む): 2207106048

約数和(自身を除く): 1518591228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 787, 1574, 2083, 2361, 3148, 3935, 4166, 4722, 5509, 6249, 7870, 8332, 9444, 10415, 11018, 11805, 12498, 14581, 15740, 16527, 20830, 22036, 23610, 24996, 27545, 29162, 31245, 33054, 41660, 43743, 47220, 55090, 58324, 62490, 66108, 72905, 82635, 87486, 110180, 124980, 145810, 165270, 174972, 218715, 291620, 330540, 437430, 874860, 1639321, 3278642, 4917963, 6557284, 8196605, 9835926, 11475247, 16393210, 19671852, 22950494, 24589815, 32786420, 34425741, 45900988, 49179630, 57376235, 68851482, 98359260, 114752470, 137702964, 172128705, 229504940, 344257410, 688514820]

約数ペア:

[(1, 688514820), (2, 344257410), (3, 229504940), (4, 172128705), (5, 137702964), (6, 114752470), (7, 98359260), (10, 68851482), (12, 57376235), (14, 49179630), (15, 45900988), (20, 34425741), (21, 32786420), (28, 24589815), (30, 22950494), (35, 19671852), (42, 16393210), (60, 11475247), (70, 9835926), (84, 8196605), (105, 6557284), (140, 4917963), (210, 3278642), (420, 1639321), (787, 874860), (1574, 437430), (2083, 330540), (2361, 291620), (3148, 218715), (3935, 174972), (4166, 165270), (4722, 145810), (5509, 124980), (6249, 110180), (7870, 87486), (8332, 82635), (9444, 72905), (10415, 66108), (11018, 62490), (11805, 58324), (12498, 55090), (14581, 47220), (15740, 43743), (16527, 41660), (20830, 33054), (22036, 31245), (23610, 29162), (24996, 27545)]