102511780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7109}}^1$

素因数の和:7228

約数の個数: 48

約数和(自身を含む): 248451840

約数和(自身を除く): 145940060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7109, 7210, 14218, 14420, 28436, 35545, 49763, 71090, 99526, 142180, 199052, 248815, 497630, 732227, 995260, 1464454, 2928908, 3661135, 5125589, 7322270, 10251178, 14644540, 20502356, 25627945, 51255890, 102511780]

約数ペア:

[(1, 102511780), (2, 51255890), (4, 25627945), (5, 20502356), (7, 14644540), (10, 10251178), (14, 7322270), (20, 5125589), (28, 3661135), (35, 2928908), (70, 1464454), (103, 995260), (140, 732227), (206, 497630), (412, 248815), (515, 199052), (721, 142180), (1030, 99526), (1442, 71090), (2060, 49763), (2884, 35545), (3605, 28436), (7109, 14420), (7210, 14218)]