888351620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{439}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 2071829760

約数和(自身を除く): 1183478140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 181, 215, 260, 362, 430, 439, 559, 724, 860, 878, 905, 1118, 1756, 1810, 2195, 2236, 2353, 2795, 3620, 4390, 4706, 5590, 5707, 7783, 8780, 9412, 11180, 11414, 11765, 15566, 18877, 22828, 23530, 28535, 31132, 37754, 38915, 47060, 57070, 75508, 77830, 79459, 94385, 101179, 114140, 155660, 158918, 188770, 202358, 245401, 317836, 377540, 397295, 404716, 490802, 505895, 794590, 981604, 1011790, 1032967, 1227005, 1589180, 2023580, 2065934, 2454010, 3416737, 4131868, 4908020, 5164835, 6833474, 10329670, 13666948, 17083685, 20659340, 34167370, 44417581, 68334740, 88835162, 177670324, 222087905, 444175810, 888351620]

約数ペア:

[(1, 888351620), (2, 444175810), (4, 222087905), (5, 177670324), (10, 88835162), (13, 68334740), (20, 44417581), (26, 34167370), (43, 20659340), (52, 17083685), (65, 13666948), (86, 10329670), (130, 6833474), (172, 5164835), (181, 4908020), (215, 4131868), (260, 3416737), (362, 2454010), (430, 2065934), (439, 2023580), (559, 1589180), (724, 1227005), (860, 1032967), (878, 1011790), (905, 981604), (1118, 794590), (1756, 505895), (1810, 490802), (2195, 404716), (2236, 397295), (2353, 377540), (2795, 317836), (3620, 245401), (4390, 202358), (4706, 188770), (5590, 158918), (5707, 155660), (7783, 114140), (8780, 101179), (9412, 94385), (11180, 79459), (11414, 77830), (11765, 75508), (15566, 57070), (18877, 47060), (22828, 38915), (23530, 37754), (28535, 31132)]