90237812

素因数分解:

$2^2\times 7^3\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:853

約数の個数: 48

約数和(自身を含む): 186480000

約数和(自身を除く): 96242188

約数列:

[1, 2, 4, 7, 14, 28, 49, 89, 98, 178, 196, 343, 356, 623, 686, 739, 1246, 1372, 1478, 2492, 2956, 4361, 5173, 8722, 10346, 17444, 20692, 30527, 36211, 61054, 65771, 72422, 122108, 131542, 144844, 253477, 263084, 460397, 506954, 920794, 1013908, 1841588, 3222779, 6445558, 12891116, 22559453, 45118906, 90237812]

約数ペア:

[(1, 90237812), (2, 45118906), (4, 22559453), (7, 12891116), (14, 6445558), (28, 3222779), (49, 1841588), (89, 1013908), (98, 920794), (178, 506954), (196, 460397), (343, 263084), (356, 253477), (623, 144844), (686, 131542), (739, 122108), (1246, 72422), (1372, 65771), (1478, 61054), (2492, 36211), (2956, 30527), (4361, 20692), (5173, 17444), (8722, 10346)]