71540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1$

素因数の和:96

約数の個数: 36

約数和(自身を含む): 177156

約数和(自身を除く): 105616

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 980, 1022, 1460, 2044, 2555, 3577, 5110, 7154, 10220, 14308, 17885, 35770, 71540]

約数ペア:

[(1, 71540), (2, 35770), (4, 17885), (5, 14308), (7, 10220), (10, 7154), (14, 5110), (20, 3577), (28, 2555), (35, 2044), (49, 1460), (70, 1022), (73, 980), (98, 730), (140, 511), (146, 490), (196, 365), (245, 292)]