210950440

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{21011}}^1$

素因数の和:21273

約数の個数: 32

約数和(自身を含む): 476552160

約数和(自身を除く): 265601720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 21011, 42022, 84044, 105055, 168088, 210110, 420220, 840440, 5273761, 10547522, 21095044, 26368805, 42190088, 52737610, 105475220, 210950440]

約数ペア:

[(1, 210950440), (2, 105475220), (4, 52737610), (5, 42190088), (8, 26368805), (10, 21095044), (20, 10547522), (40, 5273761), (251, 840440), (502, 420220), (1004, 210110), (1255, 168088), (2008, 105055), (2510, 84044), (5020, 42022), (10040, 21011)]