22201900

素因数分解:

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

素因数の和:248

約数の個数: 108

約数和(自身を含む): 58777488

約数和(自身を除く): 36575588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 140, 161, 175, 196, 197, 230, 245, 322, 350, 394, 460, 490, 575, 644, 700, 788, 805, 980, 985, 1127, 1150, 1225, 1379, 1610, 1970, 2254, 2300, 2450, 2758, 3220, 3940, 4025, 4508, 4531, 4900, 4925, 5516, 5635, 6895, 8050, 9062, 9653, 9850, 11270, 13790, 16100, 18124, 19306, 19700, 22540, 22655, 27580, 28175, 31717, 34475, 38612, 45310, 48265, 56350, 63434, 68950, 90620, 96530, 112700, 113275, 126868, 137900, 158585, 193060, 222019, 226550, 241325, 317170, 444038, 453100, 482650, 634340, 792925, 888076, 965300, 1110095, 1585850, 2220190, 3171700, 4440380, 5550475, 11100950, 22201900]

約数ペア:

[(1, 22201900), (2, 11100950), (4, 5550475), (5, 4440380), (7, 3171700), (10, 2220190), (14, 1585850), (20, 1110095), (23, 965300), (25, 888076), (28, 792925), (35, 634340), (46, 482650), (49, 453100), (50, 444038), (70, 317170), (92, 241325), (98, 226550), (100, 222019), (115, 193060), (140, 158585), (161, 137900), (175, 126868), (196, 113275), (197, 112700), (230, 96530), (245, 90620), (322, 68950), (350, 63434), (394, 56350), (460, 48265), (490, 45310), (575, 38612), (644, 34475), (700, 31717), (788, 28175), (805, 27580), (980, 22655), (985, 22540), (1127, 19700), (1150, 19306), (1225, 18124), (1379, 16100), (1610, 13790), (1970, 11270), (2254, 9850), (2300, 9653), (2450, 9062), (2758, 8050), (3220, 6895), (3940, 5635), (4025, 5516), (4508, 4925), (4531, 4900)]