179700640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{22921}}^1$

素因数の和:22950

約数の個数: 72

約数和(自身を含む): 493877412

約数和(自身を除く): 314176772

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, 22921, 45842, 91684, 114605, 160447, 183368, 229210, 320894, 366736, 458420, 641788, 733472, 802235, 916840, 1123129, 1283576, 1604470, 1833680, 2246258, 2567152, 3208940, 3667360, 4492516, 5134304, 5615645, 6417880, 8985032, 11231290, 12835760, 17970064, 22462580, 25671520, 35940128, 44925160, 89850320, 179700640]

約数ペア:

[(1, 179700640), (2, 89850320), (4, 44925160), (5, 35940128), (7, 25671520), (8, 22462580), (10, 17970064), (14, 12835760), (16, 11231290), (20, 8985032), (28, 6417880), (32, 5615645), (35, 5134304), (40, 4492516), (49, 3667360), (56, 3208940), (70, 2567152), (80, 2246258), (98, 1833680), (112, 1604470), (140, 1283576), (160, 1123129), (196, 916840), (224, 802235), (245, 733472), (280, 641788), (392, 458420), (490, 366736), (560, 320894), (784, 229210), (980, 183368), (1120, 160447), (1568, 114605), (1960, 91684), (3920, 45842), (7840, 22921)]