217423120

素因数分解:

$2^4\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{2089}}^1$

素因数の和:3403

約数の個数: 40

約数和(自身を含む): 506139480

約数和(自身を除く): 288716360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1301, 2089, 2602, 4178, 5204, 6505, 8356, 10408, 10445, 13010, 16712, 20816, 20890, 26020, 33424, 41780, 52040, 83560, 104080, 167120, 2717789, 5435578, 10871156, 13588945, 21742312, 27177890, 43484624, 54355780, 108711560, 217423120]

約数ペア:

[(1, 217423120), (2, 108711560), (4, 54355780), (5, 43484624), (8, 27177890), (10, 21742312), (16, 13588945), (20, 10871156), (40, 5435578), (80, 2717789), (1301, 167120), (2089, 104080), (2602, 83560), (4178, 52040), (5204, 41780), (6505, 33424), (8356, 26020), (10408, 20890), (10445, 20816), (13010, 16712)]