87522820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 144

約数和(自身を含む): 244073088

約数和(自身を除く): 156550268

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 140, 154, 161, 196, 220, 230, 245, 253, 308, 322, 353, 385, 460, 490, 506, 539, 644, 706, 770, 805, 980, 1012, 1078, 1127, 1265, 1412, 1540, 1610, 1765, 1771, 2156, 2254, 2471, 2530, 2695, 3220, 3530, 3542, 3883, 4508, 4942, 5060, 5390, 5635, 7060, 7084, 7766, 8119, 8855, 9884, 10780, 11270, 12355, 12397, 15532, 16238, 17297, 17710, 19415, 22540, 24710, 24794, 27181, 32476, 34594, 35420, 38830, 40595, 49420, 49588, 54362, 56833, 61985, 69188, 77660, 81190, 86485, 89309, 108724, 113666, 123970, 135905, 162380, 172970, 178618, 190267, 227332, 247940, 271810, 284165, 345940, 357236, 380534, 397831, 446545, 543620, 568330, 625163, 761068, 795662, 893090, 951335, 1136660, 1250326, 1591324, 1786180, 1902670, 1989155, 2500652, 3125815, 3805340, 3978310, 4376141, 6251630, 7956620, 8752282, 12503260, 17504564, 21880705, 43761410, 87522820]

約数ペア:

[(1, 87522820), (2, 43761410), (4, 21880705), (5, 17504564), (7, 12503260), (10, 8752282), (11, 7956620), (14, 6251630), (20, 4376141), (22, 3978310), (23, 3805340), (28, 3125815), (35, 2500652), (44, 1989155), (46, 1902670), (49, 1786180), (55, 1591324), (70, 1250326), (77, 1136660), (92, 951335), (98, 893090), (110, 795662), (115, 761068), (140, 625163), (154, 568330), (161, 543620), (196, 446545), (220, 397831), (230, 380534), (245, 357236), (253, 345940), (308, 284165), (322, 271810), (353, 247940), (385, 227332), (460, 190267), (490, 178618), (506, 172970), (539, 162380), (644, 135905), (706, 123970), (770, 113666), (805, 108724), (980, 89309), (1012, 86485), (1078, 81190), (1127, 77660), (1265, 69188), (1412, 61985), (1540, 56833), (1610, 54362), (1765, 49588), (1771, 49420), (2156, 40595), (2254, 38830), (2471, 35420), (2530, 34594), (2695, 32476), (3220, 27181), (3530, 24794), (3542, 24710), (3883, 22540), (4508, 19415), (4942, 17710), (5060, 17297), (5390, 16238), (5635, 15532), (7060, 12397), (7084, 12355), (7766, 11270), (8119, 10780), (8855, 9884)]