888860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{907}}^1$

素因数の和:930

約数の個数: 36

約数和(自身を含む): 2173752

約数和(自身を除く): 1284892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 907, 980, 1814, 3628, 4535, 6349, 9070, 12698, 18140, 25396, 31745, 44443, 63490, 88886, 126980, 177772, 222215, 444430, 888860]

約数ペア:

[(1, 888860), (2, 444430), (4, 222215), (5, 177772), (7, 126980), (10, 88886), (14, 63490), (20, 44443), (28, 31745), (35, 25396), (49, 18140), (70, 12698), (98, 9070), (140, 6349), (196, 4535), (245, 3628), (490, 1814), (907, 980)]