208041620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1093}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 452863488

約数和(自身を除く): 244821868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 1093, 1228, 1535, 2186, 3070, 4372, 5465, 6140, 9517, 10930, 19034, 21860, 33883, 38068, 47585, 67766, 95170, 135532, 169415, 190340, 335551, 338830, 671102, 677660, 1342204, 1677755, 3355510, 6711020, 10402081, 20804162, 41608324, 52010405, 104020810, 208041620]

約数ペア:

[(1, 208041620), (2, 104020810), (4, 52010405), (5, 41608324), (10, 20804162), (20, 10402081), (31, 6711020), (62, 3355510), (124, 1677755), (155, 1342204), (307, 677660), (310, 671102), (614, 338830), (620, 335551), (1093, 190340), (1228, 169415), (1535, 135532), (2186, 95170), (3070, 67766), (4372, 47585), (5465, 38068), (6140, 33883), (9517, 21860), (10930, 19034)]