8337820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 18779040

約数和(自身を除く): 10441220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 179, 274, 340, 358, 548, 685, 716, 895, 1370, 1790, 2329, 2740, 3043, 3580, 4658, 6086, 9316, 11645, 12172, 15215, 23290, 24523, 30430, 46580, 49046, 60860, 98092, 122615, 245230, 416891, 490460, 833782, 1667564, 2084455, 4168910, 8337820]

約数ペア:

[(1, 8337820), (2, 4168910), (4, 2084455), (5, 1667564), (10, 833782), (17, 490460), (20, 416891), (34, 245230), (68, 122615), (85, 98092), (137, 60860), (170, 49046), (179, 46580), (274, 30430), (340, 24523), (358, 23290), (548, 15215), (685, 12172), (716, 11645), (895, 9316), (1370, 6086), (1790, 4658), (2329, 3580), (2740, 3043)]