1285757620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{4967}}^1$

素因数の和:5069

約数の個数: 72

約数和(自身を含む): 3159886464

約数和(自身を除く): 1874128844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 1849, 3010, 3698, 4967, 6020, 7396, 9245, 9934, 12943, 18490, 19868, 24835, 25886, 34769, 36980, 49670, 51772, 64715, 69538, 99340, 129430, 139076, 173845, 213581, 258860, 347690, 427162, 695380, 854324, 1067905, 1495067, 2135810, 2990134, 4271620, 5980268, 7475335, 9183983, 14950670, 18367966, 29901340, 36735932, 45919915, 64287881, 91839830, 128575762, 183679660, 257151524, 321439405, 642878810, 1285757620]

約数ペア:

[(1, 1285757620), (2, 642878810), (4, 321439405), (5, 257151524), (7, 183679660), (10, 128575762), (14, 91839830), (20, 64287881), (28, 45919915), (35, 36735932), (43, 29901340), (70, 18367966), (86, 14950670), (140, 9183983), (172, 7475335), (215, 5980268), (301, 4271620), (430, 2990134), (602, 2135810), (860, 1495067), (1204, 1067905), (1505, 854324), (1849, 695380), (3010, 427162), (3698, 347690), (4967, 258860), (6020, 213581), (7396, 173845), (9245, 139076), (9934, 129430), (12943, 99340), (18490, 69538), (19868, 64715), (24835, 51772), (25886, 49670), (34769, 36980)]