214905880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{767521}}^1$

素因数の和:767539

約数の個数: 32

約数和(自身を含む): 552615840

約数和(自身を除く): 337709960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 767521, 1535042, 3070084, 3837605, 5372647, 6140168, 7675210, 10745294, 15350420, 21490588, 26863235, 30700840, 42981176, 53726470, 107452940, 214905880]

約数ペア:

[(1, 214905880), (2, 107452940), (4, 53726470), (5, 42981176), (7, 30700840), (8, 26863235), (10, 21490588), (14, 15350420), (20, 10745294), (28, 7675210), (35, 6140168), (40, 5372647), (56, 3837605), (70, 3070084), (140, 1535042), (280, 767521)]