448668880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 1187923968

約数和(自身を除く): 739255088

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 71, 80, 86, 88, 110, 142, 167, 172, 176, 215, 220, 284, 334, 344, 355, 430, 440, 473, 568, 668, 688, 710, 781, 835, 860, 880, 946, 1136, 1336, 1420, 1562, 1670, 1720, 1837, 1892, 2365, 2672, 2840, 3053, 3124, 3340, 3440, 3674, 3784, 3905, 4730, 5680, 6106, 6248, 6680, 7181, 7348, 7568, 7810, 9185, 9460, 11857, 12212, 12496, 13360, 14362, 14696, 15265, 15620, 18370, 18920, 23714, 24424, 28724, 29392, 30530, 31240, 33583, 35905, 36740, 37840, 47428, 48848, 57448, 59285, 61060, 62480, 67166, 71810, 73480, 78991, 94856, 114896, 118570, 122120, 130427, 134332, 143620, 146960, 157982, 167915, 189712, 237140, 244240, 260854, 268664, 287240, 315964, 335830, 394955, 474280, 509851, 521708, 537328, 574480, 631928, 652135, 671660, 789910, 948560, 1019702, 1043416, 1263856, 1304270, 1343320, 1579820, 2039404, 2086832, 2549255, 2608540, 2686640, 3159640, 4078808, 5098510, 5217080, 5608361, 6319280, 8157616, 10197020, 10434160, 11216722, 20394040, 22433444, 28041805, 40788080, 44866888, 56083610, 89733776, 112167220, 224334440, 448668880]

約数ペア:

[(1, 448668880), (2, 224334440), (4, 112167220), (5, 89733776), (8, 56083610), (10, 44866888), (11, 40788080), (16, 28041805), (20, 22433444), (22, 20394040), (40, 11216722), (43, 10434160), (44, 10197020), (55, 8157616), (71, 6319280), (80, 5608361), (86, 5217080), (88, 5098510), (110, 4078808), (142, 3159640), (167, 2686640), (172, 2608540), (176, 2549255), (215, 2086832), (220, 2039404), (284, 1579820), (334, 1343320), (344, 1304270), (355, 1263856), (430, 1043416), (440, 1019702), (473, 948560), (568, 789910), (668, 671660), (688, 652135), (710, 631928), (781, 574480), (835, 537328), (860, 521708), (880, 509851), (946, 474280), (1136, 394955), (1336, 335830), (1420, 315964), (1562, 287240), (1670, 268664), (1720, 260854), (1837, 244240), (1892, 237140), (2365, 189712), (2672, 167915), (2840, 157982), (3053, 146960), (3124, 143620), (3340, 134332), (3440, 130427), (3674, 122120), (3784, 118570), (3905, 114896), (4730, 94856), (5680, 78991), (6106, 73480), (6248, 71810), (6680, 67166), (7181, 62480), (7348, 61060), (7568, 59285), (7810, 57448), (9185, 48848), (9460, 47428), (11857, 37840), (12212, 36740), (12496, 35905), (13360, 33583), (14362, 31240), (14696, 30530), (15265, 29392), (15620, 28724), (18370, 24424), (18920, 23714)]