89684840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320303}}^1$

素因数の和:320321

約数の個数: 32

約数和(自身を含む): 230618880

約数和(自身を除く): 140934040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320303, 640606, 1281212, 1601515, 2242121, 2562424, 3203030, 4484242, 6406060, 8968484, 11210605, 12812120, 17936968, 22421210, 44842420, 89684840]

約数ペア:

[(1, 89684840), (2, 44842420), (4, 22421210), (5, 17936968), (7, 12812120), (8, 11210605), (10, 8968484), (14, 6406060), (20, 4484242), (28, 3203030), (35, 2562424), (40, 2242121), (56, 1601515), (70, 1281212), (140, 640606), (280, 320303)]