204203440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1033}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 544661568

約数和(自身を除く): 340458128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 353, 560, 706, 1033, 1412, 1765, 2066, 2471, 2824, 3530, 4132, 4942, 5165, 5648, 7060, 7231, 8264, 9884, 10330, 12355, 14120, 14462, 16528, 19768, 20660, 24710, 28240, 28924, 36155, 39536, 41320, 49420, 57848, 72310, 82640, 98840, 115696, 144620, 197680, 289240, 364649, 578480, 729298, 1458596, 1823245, 2552543, 2917192, 3646490, 5105086, 5834384, 7292980, 10210172, 12762715, 14585960, 20420344, 25525430, 29171920, 40840688, 51050860, 102101720, 204203440]

約数ペア:

[(1, 204203440), (2, 102101720), (4, 51050860), (5, 40840688), (7, 29171920), (8, 25525430), (10, 20420344), (14, 14585960), (16, 12762715), (20, 10210172), (28, 7292980), (35, 5834384), (40, 5105086), (56, 3646490), (70, 2917192), (80, 2552543), (112, 1823245), (140, 1458596), (280, 729298), (353, 578480), (560, 364649), (706, 289240), (1033, 197680), (1412, 144620), (1765, 115696), (2066, 98840), (2471, 82640), (2824, 72310), (3530, 57848), (4132, 49420), (4942, 41320), (5165, 39536), (5648, 36155), (7060, 28924), (7231, 28240), (8264, 24710), (9884, 20660), (10330, 19768), (12355, 16528), (14120, 14462)]