76684520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 189129600

約数和(自身を除く): 112445080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 397, 439, 440, 794, 878, 1588, 1756, 1985, 2195, 3176, 3512, 3970, 4367, 4390, 4829, 7940, 8734, 8780, 9658, 15880, 17468, 17560, 19316, 21835, 24145, 34936, 38632, 43670, 48290, 87340, 96580, 174283, 174680, 193160, 348566, 697132, 871415, 1394264, 1742830, 1917113, 3485660, 3834226, 6971320, 7668452, 9585565, 15336904, 19171130, 38342260, 76684520]

約数ペア:

[(1, 76684520), (2, 38342260), (4, 19171130), (5, 15336904), (8, 9585565), (10, 7668452), (11, 6971320), (20, 3834226), (22, 3485660), (40, 1917113), (44, 1742830), (55, 1394264), (88, 871415), (110, 697132), (220, 348566), (397, 193160), (439, 174680), (440, 174283), (794, 96580), (878, 87340), (1588, 48290), (1756, 43670), (1985, 38632), (2195, 34936), (3176, 24145), (3512, 21835), (3970, 19316), (4367, 17560), (4390, 17468), (4829, 15880), (7940, 9658), (8734, 8780)]