219969680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{392803}}^1$

素因数の和:392823

約数の個数: 40

約数和(自身を含む): 584492352

約数和(自身を除く): 364522672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 392803, 785606, 1571212, 1964015, 2749621, 3142424, 3928030, 5499242, 6284848, 7856060, 10998484, 13748105, 15712120, 21996968, 27496210, 31424240, 43993936, 54992420, 109984840, 219969680]

約数ペア:

[(1, 219969680), (2, 109984840), (4, 54992420), (5, 43993936), (7, 31424240), (8, 27496210), (10, 21996968), (14, 15712120), (16, 13748105), (20, 10998484), (28, 7856060), (35, 6284848), (40, 5499242), (56, 3928030), (70, 3142424), (80, 2749621), (112, 1964015), (140, 1571212), (280, 785606), (560, 392803)]