634340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 1596672

約数和(自身を除く): 962332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 197, 230, 322, 394, 460, 644, 788, 805, 985, 1379, 1610, 1970, 2758, 3220, 3940, 4531, 5516, 6895, 9062, 13790, 18124, 22655, 27580, 31717, 45310, 63434, 90620, 126868, 158585, 317170, 634340]

約数ペア:

[(1, 634340), (2, 317170), (4, 158585), (5, 126868), (7, 90620), (10, 63434), (14, 45310), (20, 31717), (23, 27580), (28, 22655), (35, 18124), (46, 13790), (70, 9062), (92, 6895), (115, 5516), (140, 4531), (161, 3940), (197, 3220), (230, 2758), (322, 1970), (394, 1610), (460, 1379), (644, 985), (788, 805)]