838732020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{285283}}^1$

素因数の和:285309

約数の個数: 72

約数和(自身を含む): 2731879584

約数和(自身を除く): 1893147564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 285283, 570566, 855849, 1141132, 1426415, 1711698, 1996981, 2852830, 3423396, 3993962, 4279245, 5705660, 5990943, 7987924, 8558490, 9984905, 11981886, 13978867, 17116980, 19969810, 23963772, 27957734, 29954715, 39939620, 41936601, 55915468, 59909430, 69894335, 83873202, 119818860, 139788670, 167746404, 209683005, 279577340, 419366010, 838732020]

約数ペア:

[(1, 838732020), (2, 419366010), (3, 279577340), (4, 209683005), (5, 167746404), (6, 139788670), (7, 119818860), (10, 83873202), (12, 69894335), (14, 59909430), (15, 55915468), (20, 41936601), (21, 39939620), (28, 29954715), (30, 27957734), (35, 23963772), (42, 19969810), (49, 17116980), (60, 13978867), (70, 11981886), (84, 9984905), (98, 8558490), (105, 7987924), (140, 5990943), (147, 5705660), (196, 4279245), (210, 3993962), (245, 3423396), (294, 2852830), (420, 1996981), (490, 1711698), (588, 1426415), (735, 1141132), (980, 855849), (1470, 570566), (2940, 285283)]