7227440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 18855936

約数和(自身を除く): 11628496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 191, 215, 220, 344, 382, 430, 440, 473, 688, 764, 860, 880, 946, 955, 1528, 1720, 1892, 1910, 2101, 2365, 3056, 3440, 3784, 3820, 4202, 4730, 7568, 7640, 8213, 8404, 9460, 10505, 15280, 16426, 16808, 18920, 21010, 32852, 33616, 37840, 41065, 42020, 65704, 82130, 84040, 90343, 131408, 164260, 168080, 180686, 328520, 361372, 451715, 657040, 722744, 903430, 1445488, 1806860, 3613720, 7227440]

約数ペア:

[(1, 7227440), (2, 3613720), (4, 1806860), (5, 1445488), (8, 903430), (10, 722744), (11, 657040), (16, 451715), (20, 361372), (22, 328520), (40, 180686), (43, 168080), (44, 164260), (55, 131408), (80, 90343), (86, 84040), (88, 82130), (110, 65704), (172, 42020), (176, 41065), (191, 37840), (215, 33616), (220, 32852), (344, 21010), (382, 18920), (430, 16808), (440, 16426), (473, 15280), (688, 10505), (764, 9460), (860, 8404), (880, 8213), (946, 7640), (955, 7568), (1528, 4730), (1720, 4202), (1892, 3820), (1910, 3784), (2101, 3440), (2365, 3056)]