1016385440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{129641}}^1$

素因数の和:129670

約数の個数: 72

約数和(自身を含む): 2793266532

約数和(自身を除く): 1776881092

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, 129641, 259282, 518564, 648205, 907487, 1037128, 1296410, 1814974, 2074256, 2592820, 3629948, 4148512, 4537435, 5185640, 6352409, 7259896, 9074870, 10371280, 12704818, 14519792, 18149740, 20742560, 25409636, 29039584, 31762045, 36299480, 50819272, 63524090, 72598960, 101638544, 127048180, 145197920, 203277088, 254096360, 508192720, 1016385440]

約数ペア:

[(1, 1016385440), (2, 508192720), (4, 254096360), (5, 203277088), (7, 145197920), (8, 127048180), (10, 101638544), (14, 72598960), (16, 63524090), (20, 50819272), (28, 36299480), (32, 31762045), (35, 29039584), (40, 25409636), (49, 20742560), (56, 18149740), (70, 14519792), (80, 12704818), (98, 10371280), (112, 9074870), (140, 7259896), (160, 6352409), (196, 5185640), (224, 4537435), (245, 4148512), (280, 3629948), (392, 2592820), (490, 2074256), (560, 1814974), (784, 1296410), (980, 1037128), (1120, 907487), (1568, 648205), (1960, 518564), (3920, 259282), (7840, 129641)]