2018665495

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1123}}^1$

素因数の和:1205

約数の個数: 96

約数和(自身を含む): 3321285120

約数和(自身を除く): 1302619625

約数列:

[1, 5, 7, 11, 23, 29, 35, 49, 55, 77, 115, 145, 161, 203, 245, 253, 319, 385, 539, 667, 805, 1015, 1123, 1127, 1265, 1421, 1595, 1771, 2233, 2695, 3335, 4669, 5615, 5635, 7105, 7337, 7861, 8855, 11165, 12353, 12397, 15631, 23345, 25829, 32567, 32683, 36685, 39305, 51359, 55027, 61765, 61985, 78155, 86471, 129145, 162835, 163415, 180803, 227969, 256795, 275135, 284119, 358237, 359513, 432355, 605297, 749041, 904015, 1139845, 1265621, 1420595, 1595783, 1791185, 1797565, 1988833, 2507659, 3026485, 3745205, 5243287, 6328105, 7978915, 8239451, 9944165, 12538295, 13921831, 17553613, 26216435, 36703009, 41197255, 57676157, 69609155, 87768065, 183515045, 288380785, 403733099, 2018665495]

約数ペア:

[(1, 2018665495), (5, 403733099), (7, 288380785), (11, 183515045), (23, 87768065), (29, 69609155), (35, 57676157), (49, 41197255), (55, 36703009), (77, 26216435), (115, 17553613), (145, 13921831), (161, 12538295), (203, 9944165), (245, 8239451), (253, 7978915), (319, 6328105), (385, 5243287), (539, 3745205), (667, 3026485), (805, 2507659), (1015, 1988833), (1123, 1797565), (1127, 1791185), (1265, 1595783), (1421, 1420595), (1595, 1265621), (1771, 1139845), (2233, 904015), (2695, 749041), (3335, 605297), (4669, 432355), (5615, 359513), (5635, 358237), (7105, 284119), (7337, 275135), (7861, 256795), (8855, 227969), (11165, 180803), (12353, 163415), (12397, 162835), (15631, 129145), (23345, 86471), (25829, 78155), (32567, 61985), (32683, 61765), (36685, 55027), (39305, 51359)]