280057428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1111339}}^1$

素因数の和:1111356

約数の個数: 36

約数和(自身を含む): 809055520

約数和(自身を除く): 528998092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1111339, 2222678, 3334017, 4445356, 6668034, 7779373, 10002051, 13336068, 15558746, 20004102, 23338119, 31117492, 40008204, 46676238, 70014357, 93352476, 140028714, 280057428]

約数ペア:

[(1, 280057428), (2, 140028714), (3, 93352476), (4, 70014357), (6, 46676238), (7, 40008204), (9, 31117492), (12, 23338119), (14, 20004102), (18, 15558746), (21, 13336068), (28, 10002051), (36, 7779373), (42, 6668034), (63, 4445356), (84, 3334017), (126, 2222678), (252, 1111339)]