87443440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{22307}}^1$

素因数の和:22334

約数の個数: 60

約数和(自身を含む): 236509416

約数和(自身を除く): 149065976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 22307, 44614, 89228, 111535, 156149, 178456, 223070, 312298, 356912, 446140, 624596, 780745, 892280, 1093043, 1249192, 1561490, 1784560, 2186086, 2498384, 3122980, 4372172, 5465215, 6245960, 8744344, 10930430, 12491920, 17488688, 21860860, 43721720, 87443440]

約数ペア:

[(1, 87443440), (2, 43721720), (4, 21860860), (5, 17488688), (7, 12491920), (8, 10930430), (10, 8744344), (14, 6245960), (16, 5465215), (20, 4372172), (28, 3122980), (35, 2498384), (40, 2186086), (49, 1784560), (56, 1561490), (70, 1249192), (80, 1093043), (98, 892280), (112, 780745), (140, 624596), (196, 446140), (245, 356912), (280, 312298), (392, 223070), (490, 178456), (560, 156149), (784, 111535), (980, 89228), (1960, 44614), (3920, 22307)]