98771020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{647}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 220449600

約数和(自身を除く): 121678580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 449, 647, 898, 1294, 1796, 2245, 2588, 3235, 4490, 6470, 7633, 8980, 10999, 12940, 15266, 21998, 30532, 38165, 43996, 54995, 76330, 109990, 152660, 219980, 290503, 581006, 1162012, 1452515, 2905030, 4938551, 5810060, 9877102, 19754204, 24692755, 49385510, 98771020]

約数ペア:

[(1, 98771020), (2, 49385510), (4, 24692755), (5, 19754204), (10, 9877102), (17, 5810060), (20, 4938551), (34, 2905030), (68, 1452515), (85, 1162012), (170, 581006), (340, 290503), (449, 219980), (647, 152660), (898, 109990), (1294, 76330), (1796, 54995), (2245, 43996), (2588, 38165), (3235, 30532), (4490, 21998), (6470, 15266), (7633, 12940), (8980, 10999)]