82368860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18979}}^1$

素因数の和:19026

約数の個数: 48

約数和(自身を含む): 204072960

約数和(自身を除く): 121704100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 18979, 37958, 75916, 94895, 132853, 189790, 265706, 379580, 531412, 588349, 664265, 1176698, 1328530, 2353396, 2657060, 2941745, 4118443, 5883490, 8236886, 11766980, 16473772, 20592215, 41184430, 82368860]

約数ペア:

[(1, 82368860), (2, 41184430), (4, 20592215), (5, 16473772), (7, 11766980), (10, 8236886), (14, 5883490), (20, 4118443), (28, 2941745), (31, 2657060), (35, 2353396), (62, 1328530), (70, 1176698), (124, 664265), (140, 588349), (155, 531412), (217, 379580), (310, 265706), (434, 189790), (620, 132853), (868, 94895), (1085, 75916), (2170, 37958), (4340, 18979)]