257940348540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{614143687}}^1$

素因数の和:614143706

約数の個数: 48

約数和(自身を含む): 825409116672

約数和(自身を除く): 567468768132

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, 614143687, 1228287374, 1842431061, 2456574748, 3070718435, 3684862122, 4299005809, 6141436870, 7369724244, 8598011618, 9212155305, 12282873740, 12897017427, 17196023236, 18424310610, 21495029045, 25794034854, 36848621220, 42990058090, 51588069708, 64485087135, 85980116180, 128970174270, 257940348540]

約数ペア:

[(1, 257940348540), (2, 128970174270), (3, 85980116180), (4, 64485087135), (5, 51588069708), (6, 42990058090), (7, 36848621220), (10, 25794034854), (12, 21495029045), (14, 18424310610), (15, 17196023236), (20, 12897017427), (21, 12282873740), (28, 9212155305), (30, 8598011618), (35, 7369724244), (42, 6141436870), (60, 4299005809), (70, 3684862122), (84, 3070718435), (105, 2456574748), (140, 1842431061), (210, 1228287374), (420, 614143687)]