87474940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1283}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 210534912

約数和(自身を除く): 123059972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1283, 1948, 2435, 2566, 3409, 4870, 5132, 6415, 6818, 8981, 9740, 12830, 13636, 17045, 17962, 25660, 34090, 35924, 44905, 68180, 89810, 179620, 624821, 1249642, 2499284, 3124105, 4373747, 6248210, 8747494, 12496420, 17494988, 21868735, 43737470, 87474940]

約数ペア:

[(1, 87474940), (2, 43737470), (4, 21868735), (5, 17494988), (7, 12496420), (10, 8747494), (14, 6248210), (20, 4373747), (28, 3124105), (35, 2499284), (70, 1249642), (140, 624821), (487, 179620), (974, 89810), (1283, 68180), (1948, 44905), (2435, 35924), (2566, 34090), (3409, 25660), (4870, 17962), (5132, 17045), (6415, 13636), (6818, 12830), (8981, 9740)]