149766820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1303}}^1$

素因数の和:2140

約数の個数: 48

約数和(自身を含む): 360154368

約数和(自身を除く): 210387548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 821, 1303, 1642, 2606, 3284, 4105, 5212, 5747, 6515, 8210, 9121, 11494, 13030, 16420, 18242, 22988, 26060, 28735, 36484, 45605, 57470, 91210, 114940, 182420, 1069763, 2139526, 4279052, 5348815, 7488341, 10697630, 14976682, 21395260, 29953364, 37441705, 74883410, 149766820]

約数ペア:

[(1, 149766820), (2, 74883410), (4, 37441705), (5, 29953364), (7, 21395260), (10, 14976682), (14, 10697630), (20, 7488341), (28, 5348815), (35, 4279052), (70, 2139526), (140, 1069763), (821, 182420), (1303, 114940), (1642, 91210), (2606, 57470), (3284, 45605), (4105, 36484), (5212, 28735), (5747, 26060), (6515, 22988), (8210, 18242), (9121, 16420), (11494, 13030)]