17689340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 38704512

約数和(自身を除く): 21015172

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 307, 335, 430, 614, 670, 860, 1228, 1340, 1535, 2881, 3070, 5762, 6140, 11524, 13201, 14405, 20569, 26402, 28810, 41138, 52804, 57620, 66005, 82276, 102845, 132010, 205690, 264020, 411380, 884467, 1768934, 3537868, 4422335, 8844670, 17689340]

約数ペア:

[(1, 17689340), (2, 8844670), (4, 4422335), (5, 3537868), (10, 1768934), (20, 884467), (43, 411380), (67, 264020), (86, 205690), (134, 132010), (172, 102845), (215, 82276), (268, 66005), (307, 57620), (335, 52804), (430, 41138), (614, 28810), (670, 26402), (860, 20569), (1228, 14405), (1340, 13201), (1535, 11524), (2881, 6140), (3070, 5762)]