4440380

素因数分解:

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

素因数の和:243

約数の個数: 72

約数和(自身を含む): 11376288

約数和(自身を除く): 6935908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 197, 230, 245, 322, 394, 460, 490, 644, 788, 805, 980, 985, 1127, 1379, 1610, 1970, 2254, 2758, 3220, 3940, 4508, 4531, 5516, 5635, 6895, 9062, 9653, 11270, 13790, 18124, 19306, 22540, 22655, 27580, 31717, 38612, 45310, 48265, 63434, 90620, 96530, 126868, 158585, 193060, 222019, 317170, 444038, 634340, 888076, 1110095, 2220190, 4440380]

約数ペア:

[(1, 4440380), (2, 2220190), (4, 1110095), (5, 888076), (7, 634340), (10, 444038), (14, 317170), (20, 222019), (23, 193060), (28, 158585), (35, 126868), (46, 96530), (49, 90620), (70, 63434), (92, 48265), (98, 45310), (115, 38612), (140, 31717), (161, 27580), (196, 22655), (197, 22540), (230, 19306), (245, 18124), (322, 13790), (394, 11270), (460, 9653), (490, 9062), (644, 6895), (788, 5635), (805, 5516), (980, 4531), (985, 4508), (1127, 3940), (1379, 3220), (1610, 2758), (1970, 2254)]