221275180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9817}}^1$

素因数の和:9863

約数の個数: 72

約数和(自身を含む): 564103008

約数和(自身を除く): 342827828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 9817, 11270, 19634, 22540, 39268, 49085, 68719, 98170, 137438, 196340, 225791, 274876, 343595, 451582, 481033, 687190, 903164, 962066, 1128955, 1374380, 1580537, 1924132, 2257910, 2405165, 3161074, 4515820, 4810330, 6322148, 7902685, 9620660, 11063759, 15805370, 22127518, 31610740, 44255036, 55318795, 110637590, 221275180]

約数ペア:

[(1, 221275180), (2, 110637590), (4, 55318795), (5, 44255036), (7, 31610740), (10, 22127518), (14, 15805370), (20, 11063759), (23, 9620660), (28, 7902685), (35, 6322148), (46, 4810330), (49, 4515820), (70, 3161074), (92, 2405165), (98, 2257910), (115, 1924132), (140, 1580537), (161, 1374380), (196, 1128955), (230, 962066), (245, 903164), (322, 687190), (460, 481033), (490, 451582), (644, 343595), (805, 274876), (980, 225791), (1127, 196340), (1610, 137438), (2254, 98170), (3220, 68719), (4508, 49085), (5635, 39268), (9817, 22540), (11270, 19634)]