251562850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 619085376

約数和(自身を除く): 367522526

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 25, 35, 38, 50, 55, 70, 77, 95, 110, 133, 154, 175, 181, 190, 209, 266, 275, 350, 361, 362, 385, 418, 475, 550, 665, 722, 770, 905, 950, 1045, 1267, 1330, 1463, 1805, 1810, 1925, 1991, 2090, 2527, 2534, 2926, 3325, 3439, 3610, 3850, 3971, 3982, 4525, 5054, 5225, 6335, 6650, 6878, 7315, 7942, 9025, 9050, 9955, 10450, 12635, 12670, 13937, 14630, 17195, 18050, 19855, 19910, 24073, 25270, 27797, 27874, 31675, 34390, 36575, 37829, 39710, 48146, 49775, 55594, 63175, 63350, 65341, 69685, 73150, 75658, 85975, 99275, 99550, 120365, 126350, 130682, 138985, 139370, 171950, 189145, 198550, 240730, 264803, 277970, 326705, 348425, 378290, 457387, 529606, 601825, 653410, 694925, 696850, 718751, 914774, 945725, 1203650, 1324015, 1389850, 1437502, 1633525, 1891450, 2286935, 2648030, 3267050, 3593755, 4573870, 5031257, 6620075, 7187510, 10062514, 11434675, 13240150, 17968775, 22869350, 25156285, 35937550, 50312570, 125781425, 251562850]

約数ペア:

[(1, 251562850), (2, 125781425), (5, 50312570), (7, 35937550), (10, 25156285), (11, 22869350), (14, 17968775), (19, 13240150), (22, 11434675), (25, 10062514), (35, 7187510), (38, 6620075), (50, 5031257), (55, 4573870), (70, 3593755), (77, 3267050), (95, 2648030), (110, 2286935), (133, 1891450), (154, 1633525), (175, 1437502), (181, 1389850), (190, 1324015), (209, 1203650), (266, 945725), (275, 914774), (350, 718751), (361, 696850), (362, 694925), (385, 653410), (418, 601825), (475, 529606), (550, 457387), (665, 378290), (722, 348425), (770, 326705), (905, 277970), (950, 264803), (1045, 240730), (1267, 198550), (1330, 189145), (1463, 171950), (1805, 139370), (1810, 138985), (1925, 130682), (1991, 126350), (2090, 120365), (2527, 99550), (2534, 99275), (2926, 85975), (3325, 75658), (3439, 73150), (3610, 69685), (3850, 65341), (3971, 63350), (3982, 63175), (4525, 55594), (5054, 49775), (5225, 48146), (6335, 39710), (6650, 37829), (6878, 36575), (7315, 34390), (7942, 31675), (9025, 27874), (9050, 27797), (9955, 25270), (10450, 24073), (12635, 19910), (12670, 19855), (13937, 18050), (14630, 17195)]