77511140

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11299}}^1$

素因数の和:11329

約数の個数: 48

約数和(自身を含む): 189840000

約数和(自身を除く): 112328860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 11299, 22598, 45196, 56495, 79093, 112990, 158186, 225980, 316372, 395465, 553651, 790930, 1107302, 1581860, 2214604, 2768255, 3875557, 5536510, 7751114, 11073020, 15502228, 19377785, 38755570, 77511140]

約数ペア:

[(1, 77511140), (2, 38755570), (4, 19377785), (5, 15502228), (7, 11073020), (10, 7751114), (14, 5536510), (20, 3875557), (28, 2768255), (35, 2214604), (49, 1581860), (70, 1107302), (98, 790930), (140, 553651), (196, 395465), (245, 316372), (343, 225980), (490, 158186), (686, 112990), (980, 79093), (1372, 56495), (1715, 45196), (3430, 22598), (6860, 11299)]