100940

素因数分解:

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

素因数の和:126

約数の個数: 36

約数和(自身を含む): 248976

約数和(自身を除く): 148036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 2060, 2884, 3605, 5047, 7210, 10094, 14420, 20188, 25235, 50470, 100940]

約数ペア:

[(1, 100940), (2, 50470), (4, 25235), (5, 20188), (7, 14420), (10, 10094), (14, 7210), (20, 5047), (28, 3605), (35, 2884), (49, 2060), (70, 1442), (98, 1030), (103, 980), (140, 721), (196, 515), (206, 490), (245, 412)]