251200840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 682577280

約数和(自身を除く): 431376440

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 43, 44, 55, 68, 71, 85, 86, 88, 110, 121, 136, 142, 170, 172, 187, 215, 220, 242, 284, 340, 344, 355, 374, 430, 440, 473, 484, 568, 605, 680, 710, 731, 748, 781, 860, 935, 946, 968, 1207, 1210, 1420, 1462, 1496, 1562, 1720, 1870, 1892, 2057, 2365, 2414, 2420, 2840, 2924, 3053, 3124, 3655, 3740, 3784, 3905, 4114, 4730, 4828, 4840, 5203, 5848, 6035, 6106, 6248, 7310, 7480, 7810, 8041, 8228, 8591, 9460, 9656, 10285, 10406, 12070, 12212, 13277, 14620, 15265, 15620, 16082, 16456, 17182, 18920, 20570, 20812, 24140, 24424, 26015, 26554, 29240, 30530, 31240, 32164, 33583, 34364, 40205, 41140, 41624, 42955, 48280, 51901, 52030, 53108, 61060, 64328, 66385, 67166, 68728, 80410, 82280, 85910, 88451, 103802, 104060, 106216, 122120, 132770, 134332, 146047, 160820, 167915, 171820, 176902, 207604, 208120, 259505, 265540, 268664, 292094, 321640, 335830, 343640, 353804, 369413, 415208, 442255, 519010, 531080, 570911, 584188, 671660, 707608, 730235, 738826, 884510, 1038020, 1141822, 1168376, 1343320, 1460470, 1477652, 1769020, 1847065, 2076040, 2283644, 2854555, 2920940, 2955304, 3538040, 3694130, 4567288, 5709110, 5841880, 6280021, 7388260, 11418220, 12560042, 14776520, 22836440, 25120084, 31400105, 50240168, 62800210, 125600420, 251200840]

約数ペア:

[(1, 251200840), (2, 125600420), (4, 62800210), (5, 50240168), (8, 31400105), (10, 25120084), (11, 22836440), (17, 14776520), (20, 12560042), (22, 11418220), (34, 7388260), (40, 6280021), (43, 5841880), (44, 5709110), (55, 4567288), (68, 3694130), (71, 3538040), (85, 2955304), (86, 2920940), (88, 2854555), (110, 2283644), (121, 2076040), (136, 1847065), (142, 1769020), (170, 1477652), (172, 1460470), (187, 1343320), (215, 1168376), (220, 1141822), (242, 1038020), (284, 884510), (340, 738826), (344, 730235), (355, 707608), (374, 671660), (430, 584188), (440, 570911), (473, 531080), (484, 519010), (568, 442255), (605, 415208), (680, 369413), (710, 353804), (731, 343640), (748, 335830), (781, 321640), (860, 292094), (935, 268664), (946, 265540), (968, 259505), (1207, 208120), (1210, 207604), (1420, 176902), (1462, 171820), (1496, 167915), (1562, 160820), (1720, 146047), (1870, 134332), (1892, 132770), (2057, 122120), (2365, 106216), (2414, 104060), (2420, 103802), (2840, 88451), (2924, 85910), (3053, 82280), (3124, 80410), (3655, 68728), (3740, 67166), (3784, 66385), (3905, 64328), (4114, 61060), (4730, 53108), (4828, 52030), (4840, 51901), (5203, 48280), (5848, 42955), (6035, 41624), (6106, 41140), (6248, 40205), (7310, 34364), (7480, 33583), (7810, 32164), (8041, 31240), (8228, 30530), (8591, 29240), (9460, 26554), (9656, 26015), (10285, 24424), (10406, 24140), (12070, 20812), (12212, 20570), (13277, 18920), (14620, 17182), (15265, 16456), (15620, 16082)]