420784812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1669781}}^1$

素因数の和:1669798

約数の個数: 36

約数和(自身を含む): 1215601296

約数和(自身を除く): 794816484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1669781, 3339562, 5009343, 6679124, 10018686, 11688467, 15028029, 20037372, 23376934, 30056058, 35065401, 46753868, 60112116, 70130802, 105196203, 140261604, 210392406, 420784812]

約数ペア:

[(1, 420784812), (2, 210392406), (3, 140261604), (4, 105196203), (6, 70130802), (7, 60112116), (9, 46753868), (12, 35065401), (14, 30056058), (18, 23376934), (21, 20037372), (28, 15028029), (36, 11688467), (42, 10018686), (63, 6679124), (84, 5009343), (126, 3339562), (252, 1669781)]