90722380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9127}}^1$

素因数の和:9214

約数の個数: 48

約数和(自身を含む): 220824576

約数和(自身を除く): 130102196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9127, 9940, 18254, 36508, 45635, 63889, 91270, 127778, 182540, 255556, 319445, 638890, 648017, 1277780, 1296034, 2592068, 3240085, 4536119, 6480170, 9072238, 12960340, 18144476, 22680595, 45361190, 90722380]

約数ペア:

[(1, 90722380), (2, 45361190), (4, 22680595), (5, 18144476), (7, 12960340), (10, 9072238), (14, 6480170), (20, 4536119), (28, 3240085), (35, 2592068), (70, 1296034), (71, 1277780), (140, 648017), (142, 638890), (284, 319445), (355, 255556), (497, 182540), (710, 127778), (994, 91270), (1420, 63889), (1988, 45635), (2485, 36508), (4970, 18254), (9127, 9940)]