890996680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3182131}}^1$

素因数の和:3182149

約数の個数: 32

約数和(自身を含む): 2291135040

約数和(自身を除く): 1400138360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3182131, 6364262, 12728524, 15910655, 22274917, 25457048, 31821310, 44549834, 63642620, 89099668, 111374585, 127285240, 178199336, 222749170, 445498340, 890996680]

約数ペア:

[(1, 890996680), (2, 445498340), (4, 222749170), (5, 178199336), (7, 127285240), (8, 111374585), (10, 89099668), (14, 63642620), (20, 44549834), (28, 31821310), (35, 25457048), (40, 22274917), (56, 15910655), (70, 12728524), (140, 6364262), (280, 3182131)]