254131640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 192

約数和(自身を含む): 731332800

約数和(自身を除く): 477201160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 49, 56, 58, 68, 70, 85, 98, 116, 119, 136, 140, 145, 170, 196, 203, 232, 238, 245, 263, 280, 290, 340, 392, 406, 476, 490, 493, 526, 580, 595, 680, 812, 833, 952, 980, 986, 1015, 1052, 1160, 1190, 1315, 1421, 1624, 1666, 1841, 1960, 1972, 2030, 2104, 2380, 2465, 2630, 2842, 3332, 3451, 3682, 3944, 4060, 4165, 4471, 4760, 4930, 5260, 5684, 6664, 6902, 7105, 7364, 7627, 8120, 8330, 8942, 9205, 9860, 10520, 11368, 12887, 13804, 14210, 14728, 15254, 16660, 17255, 17884, 18410, 19720, 22355, 24157, 25774, 27608, 28420, 30508, 31297, 33320, 34510, 35768, 36820, 38135, 44710, 48314, 51548, 53389, 56840, 61016, 62594, 64435, 69020, 73640, 76270, 89420, 96628, 103096, 106778, 120785, 125188, 128870, 129659, 138040, 152540, 156485, 178840, 193256, 213556, 219079, 241570, 250376, 257740, 259318, 266945, 305080, 312970, 373723, 427112, 438158, 483140, 515480, 518636, 533890, 625940, 648295, 747446, 876316, 907613, 966280, 1037272, 1067780, 1095395, 1251880, 1296590, 1494892, 1752632, 1815226, 1868615, 2135560, 2190790, 2593180, 2989784, 3630452, 3737230, 4381580, 4538065, 5186360, 6353291, 7260904, 7474460, 8763160, 9076130, 12706582, 14948920, 18152260, 25413164, 31766455, 36304520, 50826328, 63532910, 127065820, 254131640]

約数ペア:

[(1, 254131640), (2, 127065820), (4, 63532910), (5, 50826328), (7, 36304520), (8, 31766455), (10, 25413164), (14, 18152260), (17, 14948920), (20, 12706582), (28, 9076130), (29, 8763160), (34, 7474460), (35, 7260904), (40, 6353291), (49, 5186360), (56, 4538065), (58, 4381580), (68, 3737230), (70, 3630452), (85, 2989784), (98, 2593180), (116, 2190790), (119, 2135560), (136, 1868615), (140, 1815226), (145, 1752632), (170, 1494892), (196, 1296590), (203, 1251880), (232, 1095395), (238, 1067780), (245, 1037272), (263, 966280), (280, 907613), (290, 876316), (340, 747446), (392, 648295), (406, 625940), (476, 533890), (490, 518636), (493, 515480), (526, 483140), (580, 438158), (595, 427112), (680, 373723), (812, 312970), (833, 305080), (952, 266945), (980, 259318), (986, 257740), (1015, 250376), (1052, 241570), (1160, 219079), (1190, 213556), (1315, 193256), (1421, 178840), (1624, 156485), (1666, 152540), (1841, 138040), (1960, 129659), (1972, 128870), (2030, 125188), (2104, 120785), (2380, 106778), (2465, 103096), (2630, 96628), (2842, 89420), (3332, 76270), (3451, 73640), (3682, 69020), (3944, 64435), (4060, 62594), (4165, 61016), (4471, 56840), (4760, 53389), (4930, 51548), (5260, 48314), (5684, 44710), (6664, 38135), (6902, 36820), (7105, 35768), (7364, 34510), (7627, 33320), (8120, 31297), (8330, 30508), (8942, 28420), (9205, 27608), (9860, 25774), (10520, 24157), (11368, 22355), (12887, 19720), (13804, 18410), (14210, 17884), (14728, 17255), (15254, 16660)]