89271140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 221320512

約数和(自身を除く): 132049372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 490, 497, 710, 980, 994, 1283, 1420, 1988, 2485, 2566, 3479, 4970, 5132, 6415, 6958, 8981, 9940, 12830, 13916, 17395, 17962, 25660, 34790, 35924, 44905, 62867, 69580, 89810, 91093, 125734, 179620, 182186, 251468, 314335, 364372, 455465, 628670, 637651, 910930, 1257340, 1275302, 1821860, 2550604, 3188255, 4463557, 6376510, 8927114, 12753020, 17854228, 22317785, 44635570, 89271140]

約数ペア:

[(1, 89271140), (2, 44635570), (4, 22317785), (5, 17854228), (7, 12753020), (10, 8927114), (14, 6376510), (20, 4463557), (28, 3188255), (35, 2550604), (49, 1821860), (70, 1275302), (71, 1257340), (98, 910930), (140, 637651), (142, 628670), (196, 455465), (245, 364372), (284, 314335), (355, 251468), (490, 182186), (497, 179620), (710, 125734), (980, 91093), (994, 89810), (1283, 69580), (1420, 62867), (1988, 44905), (2485, 35924), (2566, 34790), (3479, 25660), (4970, 17962), (5132, 17395), (6415, 13916), (6958, 12830), (8981, 9940)]