311280456940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1\times {\mathrm{145721}}^1$

素因数の和:145915

約数の個数: 72

約数和(自身を含む): 682342682112

約数和(自身を除く): 371062225172

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 254, 290, 508, 580, 635, 841, 1270, 1682, 2540, 3364, 3683, 4205, 7366, 8410, 14732, 16820, 18415, 36830, 73660, 106807, 145721, 213614, 291442, 427228, 534035, 582884, 728605, 1068070, 1457210, 2136140, 2914420, 4225909, 8451818, 16903636, 18506567, 21129545, 37013134, 42259090, 74026268, 84518180, 92532835, 122551361, 185065670, 245102722, 370131340, 490205444, 536690443, 612756805, 1073380886, 1225513610, 2146761772, 2451027220, 2683452215, 5366904430, 10733808860, 15564022847, 31128045694, 62256091388, 77820114235, 155640228470, 311280456940]

約数ペア:

[(1, 311280456940), (2, 155640228470), (4, 77820114235), (5, 62256091388), (10, 31128045694), (20, 15564022847), (29, 10733808860), (58, 5366904430), (116, 2683452215), (127, 2451027220), (145, 2146761772), (254, 1225513610), (290, 1073380886), (508, 612756805), (580, 536690443), (635, 490205444), (841, 370131340), (1270, 245102722), (1682, 185065670), (2540, 122551361), (3364, 92532835), (3683, 84518180), (4205, 74026268), (7366, 42259090), (8410, 37013134), (14732, 21129545), (16820, 18506567), (18415, 16903636), (36830, 8451818), (73660, 4225909), (106807, 2914420), (145721, 2136140), (213614, 1457210), (291442, 1068070), (427228, 728605), (534035, 582884)]