389554680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 256

約数和(自身を含む): 1310515200

約数和(自身を除く): 920960520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 31, 40, 46, 58, 60, 62, 69, 87, 92, 93, 115, 116, 120, 124, 138, 145, 155, 157, 174, 184, 186, 230, 232, 248, 276, 290, 310, 314, 345, 348, 372, 435, 460, 465, 471, 552, 580, 620, 628, 667, 690, 696, 713, 744, 785, 870, 899, 920, 930, 942, 1160, 1240, 1256, 1334, 1380, 1426, 1570, 1740, 1798, 1860, 1884, 2001, 2139, 2355, 2668, 2697, 2760, 2852, 3140, 3335, 3480, 3565, 3596, 3611, 3720, 3768, 4002, 4278, 4495, 4553, 4710, 4867, 5336, 5394, 5704, 6280, 6670, 7130, 7192, 7222, 8004, 8556, 8990, 9106, 9420, 9734, 10005, 10695, 10788, 10833, 13340, 13485, 13659, 14260, 14444, 14601, 16008, 17112, 17980, 18055, 18212, 18840, 19468, 20010, 20677, 21390, 21576, 21666, 22765, 24335, 26680, 26970, 27318, 28520, 28888, 29202, 35960, 36110, 36424, 38936, 40020, 41354, 42780, 43332, 45530, 48670, 53940, 54165, 54636, 58404, 62031, 68295, 72220, 73005, 80040, 82708, 85560, 86664, 91060, 97340, 103385, 104719, 107880, 108330, 109272, 111941, 116808, 124062, 136590, 141143, 144440, 146010, 165416, 182120, 194680, 206770, 209438, 216660, 223882, 248124, 273180, 282286, 292020, 310155, 314157, 335823, 413540, 418876, 423429, 433320, 447764, 496248, 523595, 546360, 559705, 564572, 584040, 620310, 628314, 671646, 705715, 827080, 837752, 846858, 895528, 1047190, 1119410, 1129144, 1240620, 1256628, 1343292, 1411430, 1570785, 1679115, 1693716, 2094380, 2117145, 2238820, 2481240, 2513256, 2686584, 2822860, 3141570, 3246289, 3358230, 3387432, 4188760, 4234290, 4477640, 5645720, 6283140, 6492578, 6716460, 8468580, 9738867, 12566280, 12985156, 13432920, 16231445, 16937160, 19477734, 25970312, 32462890, 38955468, 48694335, 64925780, 77910936, 97388670, 129851560, 194777340, 389554680]

約数ペア:

[(1, 389554680), (2, 194777340), (3, 129851560), (4, 97388670), (5, 77910936), (6, 64925780), (8, 48694335), (10, 38955468), (12, 32462890), (15, 25970312), (20, 19477734), (23, 16937160), (24, 16231445), (29, 13432920), (30, 12985156), (31, 12566280), (40, 9738867), (46, 8468580), (58, 6716460), (60, 6492578), (62, 6283140), (69, 5645720), (87, 4477640), (92, 4234290), (93, 4188760), (115, 3387432), (116, 3358230), (120, 3246289), (124, 3141570), (138, 2822860), (145, 2686584), (155, 2513256), (157, 2481240), (174, 2238820), (184, 2117145), (186, 2094380), (230, 1693716), (232, 1679115), (248, 1570785), (276, 1411430), (290, 1343292), (310, 1256628), (314, 1240620), (345, 1129144), (348, 1119410), (372, 1047190), (435, 895528), (460, 846858), (465, 837752), (471, 827080), (552, 705715), (580, 671646), (620, 628314), (628, 620310), (667, 584040), (690, 564572), (696, 559705), (713, 546360), (744, 523595), (785, 496248), (870, 447764), (899, 433320), (920, 423429), (930, 418876), (942, 413540), (1160, 335823), (1240, 314157), (1256, 310155), (1334, 292020), (1380, 282286), (1426, 273180), (1570, 248124), (1740, 223882), (1798, 216660), (1860, 209438), (1884, 206770), (2001, 194680), (2139, 182120), (2355, 165416), (2668, 146010), (2697, 144440), (2760, 141143), (2852, 136590), (3140, 124062), (3335, 116808), (3480, 111941), (3565, 109272), (3596, 108330), (3611, 107880), (3720, 104719), (3768, 103385), (4002, 97340), (4278, 91060), (4495, 86664), (4553, 85560), (4710, 82708), (4867, 80040), (5336, 73005), (5394, 72220), (5704, 68295), (6280, 62031), (6670, 58404), (7130, 54636), (7192, 54165), (7222, 53940), (8004, 48670), (8556, 45530), (8990, 43332), (9106, 42780), (9420, 41354), (9734, 40020), (10005, 38936), (10695, 36424), (10788, 36110), (10833, 35960), (13340, 29202), (13485, 28888), (13659, 28520), (14260, 27318), (14444, 26970), (14601, 26680), (16008, 24335), (17112, 22765), (17980, 21666), (18055, 21576), (18212, 21390), (18840, 20677), (19468, 20010)]