70406780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6389}}^1$

素因数の和:6446

約数の個数: 48

約数和(自身を含む): 161028000

約数和(自身を除く): 90621220

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 6389, 11020, 12778, 25556, 31945, 63890, 121391, 127780, 185281, 242782, 370562, 485564, 606955, 741124, 926405, 1213910, 1852810, 2427820, 3520339, 3705620, 7040678, 14081356, 17601695, 35203390, 70406780]

約数ペア:

[(1, 70406780), (2, 35203390), (4, 17601695), (5, 14081356), (10, 7040678), (19, 3705620), (20, 3520339), (29, 2427820), (38, 1852810), (58, 1213910), (76, 926405), (95, 741124), (116, 606955), (145, 485564), (190, 370562), (290, 242782), (380, 185281), (551, 127780), (580, 121391), (1102, 63890), (2204, 31945), (2755, 25556), (5510, 12778), (6389, 11020)]