246804520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 588798720

約数和(自身を除く): 341994200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 71, 86, 94, 142, 172, 188, 215, 235, 284, 344, 355, 376, 430, 470, 568, 710, 860, 940, 1420, 1720, 1849, 1880, 2021, 2840, 3053, 3337, 3698, 4042, 6106, 6674, 7396, 8084, 9245, 10105, 12212, 13348, 14792, 15265, 16168, 16685, 18490, 20210, 24424, 26696, 30530, 33370, 36980, 40420, 61060, 66740, 73960, 80840, 86903, 122120, 131279, 133480, 143491, 173806, 262558, 286982, 347612, 434515, 525116, 573964, 656395, 695224, 717455, 869030, 1050232, 1147928, 1312790, 1434910, 1738060, 2625580, 2869820, 3476120, 5251160, 5739640, 6170113, 12340226, 24680452, 30850565, 49360904, 61701130, 123402260, 246804520]

約数ペア:

[(1, 246804520), (2, 123402260), (4, 61701130), (5, 49360904), (8, 30850565), (10, 24680452), (20, 12340226), (40, 6170113), (43, 5739640), (47, 5251160), (71, 3476120), (86, 2869820), (94, 2625580), (142, 1738060), (172, 1434910), (188, 1312790), (215, 1147928), (235, 1050232), (284, 869030), (344, 717455), (355, 695224), (376, 656395), (430, 573964), (470, 525116), (568, 434515), (710, 347612), (860, 286982), (940, 262558), (1420, 173806), (1720, 143491), (1849, 133480), (1880, 131279), (2021, 122120), (2840, 86903), (3053, 80840), (3337, 73960), (3698, 66740), (4042, 61060), (6106, 40420), (6674, 36980), (7396, 33370), (8084, 30530), (9245, 26696), (10105, 24424), (12212, 20210), (13348, 18490), (14792, 16685), (15265, 16168)]