89690690

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{1249}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 166320000

約数和(自身を除く): 76629310

約数列:

[1, 2, 5, 10, 43, 86, 167, 215, 334, 430, 835, 1249, 1670, 2498, 6245, 7181, 12490, 14362, 35905, 53707, 71810, 107414, 208583, 268535, 417166, 537070, 1042915, 2085830, 8969069, 17938138, 44845345, 89690690]

約数ペア:

[(1, 89690690), (2, 44845345), (5, 17938138), (10, 8969069), (43, 2085830), (86, 1042915), (167, 537070), (215, 417166), (334, 268535), (430, 208583), (835, 107414), (1249, 71810), (1670, 53707), (2498, 35905), (6245, 14362), (7181, 12490)]