221529910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{24919}}^1$

素因数の和:25060

約数の個数: 32

約数和(自身を含む): 459325440

約数和(自身を除く): 237795530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 24919, 49838, 124595, 174433, 249190, 348866, 872165, 1744330, 3164713, 6329426, 15823565, 22152991, 31647130, 44305982, 110764955, 221529910]

約数ペア:

[(1, 221529910), (2, 110764955), (5, 44305982), (7, 31647130), (10, 22152991), (14, 15823565), (35, 6329426), (70, 3164713), (127, 1744330), (254, 872165), (635, 348866), (889, 249190), (1270, 174433), (1778, 124595), (4445, 49838), (8890, 24919)]