908663840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{115901}}^1$

素因数の和:115930

約数の個数: 72

約数和(自身を含む): 2497224492

約数和(自身を除く): 1588560652

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 115901, 231802, 463604, 579505, 811307, 927208, 1159010, 1622614, 1854416, 2318020, 3245228, 3708832, 4056535, 4636040, 5679149, 6490456, 8113070, 9272080, 11358298, 12980912, 16226140, 18544160, 22716596, 25961824, 28395745, 32452280, 45433192, 56791490, 64904560, 90866384, 113582980, 129809120, 181732768, 227165960, 454331920, 908663840]

約数ペア:

[(1, 908663840), (2, 454331920), (4, 227165960), (5, 181732768), (7, 129809120), (8, 113582980), (10, 90866384), (14, 64904560), (16, 56791490), (20, 45433192), (28, 32452280), (32, 28395745), (35, 25961824), (40, 22716596), (49, 18544160), (56, 16226140), (70, 12980912), (80, 11358298), (98, 9272080), (112, 8113070), (140, 6490456), (160, 5679149), (196, 4636040), (224, 4056535), (245, 3708832), (280, 3245228), (392, 2318020), (490, 1854416), (560, 1622614), (784, 1159010), (980, 927208), (1120, 811307), (1568, 579505), (1960, 463604), (3920, 231802), (7840, 115901)]