198085860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157211}}^1$

素因数の和:157233

約数の個数: 72

約数和(自身を含む): 686702016

約数和(自身を除く): 488616156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 157211, 314422, 471633, 628844, 786055, 943266, 1100477, 1414899, 1572110, 1886532, 2200954, 2358165, 2829798, 3144220, 3301431, 4401908, 4716330, 5502385, 5659596, 6602862, 7074495, 9432660, 9904293, 11004770, 13205724, 14148990, 16507155, 19808586, 22009540, 28297980, 33014310, 39617172, 49521465, 66028620, 99042930, 198085860]

約数ペア:

[(1, 198085860), (2, 99042930), (3, 66028620), (4, 49521465), (5, 39617172), (6, 33014310), (7, 28297980), (9, 22009540), (10, 19808586), (12, 16507155), (14, 14148990), (15, 13205724), (18, 11004770), (20, 9904293), (21, 9432660), (28, 7074495), (30, 6602862), (35, 5659596), (36, 5502385), (42, 4716330), (45, 4401908), (60, 3301431), (63, 3144220), (70, 2829798), (84, 2358165), (90, 2200954), (105, 1886532), (126, 1572110), (140, 1414899), (180, 1100477), (210, 943266), (252, 786055), (315, 628844), (420, 471633), (630, 314422), (1260, 157211)]