103621820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{701}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 229975200

約数和(自身を除く): 126353380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 389, 701, 778, 1402, 1556, 1945, 2804, 3505, 3890, 7010, 7391, 7780, 13319, 14020, 14782, 26638, 29564, 36955, 53276, 66595, 73910, 133190, 147820, 266380, 272689, 545378, 1090756, 1363445, 2726890, 5181091, 5453780, 10362182, 20724364, 25905455, 51810910, 103621820]

約数ペア:

[(1, 103621820), (2, 51810910), (4, 25905455), (5, 20724364), (10, 10362182), (19, 5453780), (20, 5181091), (38, 2726890), (76, 1363445), (95, 1090756), (190, 545378), (380, 272689), (389, 266380), (701, 147820), (778, 133190), (1402, 73910), (1556, 66595), (1945, 53276), (2804, 36955), (3505, 29564), (3890, 26638), (7010, 14782), (7391, 14020), (7780, 13319)]