561100400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:296

約数の個数: 240

約数和(自身を含む): 1660608000

約数和(自身を除く): 1099507600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 53, 56, 70, 76, 80, 95, 100, 106, 112, 133, 140, 152, 175, 190, 199, 200, 212, 265, 266, 280, 304, 350, 371, 380, 398, 400, 424, 475, 530, 532, 560, 665, 700, 742, 760, 796, 848, 950, 995, 1007, 1060, 1064, 1325, 1330, 1393, 1400, 1484, 1520, 1592, 1855, 1900, 1990, 2014, 2120, 2128, 2650, 2660, 2786, 2800, 2968, 3184, 3325, 3710, 3781, 3800, 3980, 4028, 4240, 4975, 5035, 5300, 5320, 5572, 5936, 6650, 6965, 7049, 7420, 7562, 7600, 7960, 8056, 9275, 9950, 10070, 10547, 10600, 10640, 11144, 13300, 13930, 14098, 14840, 15124, 15920, 16112, 18550, 18905, 19900, 20140, 21094, 21200, 22288, 25175, 26467, 26600, 27860, 28196, 29680, 30248, 34825, 35245, 37100, 37810, 39800, 40280, 42188, 50350, 52735, 52934, 53200, 55720, 56392, 60496, 69650, 70490, 73829, 74200, 75620, 79600, 80560, 84376, 94525, 100700, 105470, 105868, 111440, 112784, 132335, 139300, 140980, 147658, 148400, 151240, 168752, 176225, 189050, 200393, 201400, 210940, 211736, 263675, 264670, 278600, 281960, 295316, 302480, 352450, 369145, 378100, 400786, 402800, 421880, 423472, 527350, 529340, 557200, 563920, 590632, 661675, 704900, 738290, 756200, 801572, 843760, 1001965, 1054700, 1058680, 1181264, 1323350, 1402751, 1409800, 1476580, 1512400, 1603144, 1845725, 2003930, 2109400, 2117360, 2646700, 2805502, 2819600, 2953160, 3206288, 3691450, 4007860, 4218800, 5009825, 5293400, 5611004, 5906320, 7013755, 7382900, 8015720, 10019650, 10586800, 11222008, 14027510, 14765800, 16031440, 20039300, 22444016, 28055020, 29531600, 35068775, 40078600, 56110040, 70137550, 80157200, 112220080, 140275100, 280550200, 561100400]

約数ペア:

[(1, 561100400), (2, 280550200), (4, 140275100), (5, 112220080), (7, 80157200), (8, 70137550), (10, 56110040), (14, 40078600), (16, 35068775), (19, 29531600), (20, 28055020), (25, 22444016), (28, 20039300), (35, 16031440), (38, 14765800), (40, 14027510), (50, 11222008), (53, 10586800), (56, 10019650), (70, 8015720), (76, 7382900), (80, 7013755), (95, 5906320), (100, 5611004), (106, 5293400), (112, 5009825), (133, 4218800), (140, 4007860), (152, 3691450), (175, 3206288), (190, 2953160), (199, 2819600), (200, 2805502), (212, 2646700), (265, 2117360), (266, 2109400), (280, 2003930), (304, 1845725), (350, 1603144), (371, 1512400), (380, 1476580), (398, 1409800), (400, 1402751), (424, 1323350), (475, 1181264), (530, 1058680), (532, 1054700), (560, 1001965), (665, 843760), (700, 801572), (742, 756200), (760, 738290), (796, 704900), (848, 661675), (950, 590632), (995, 563920), (1007, 557200), (1060, 529340), (1064, 527350), (1325, 423472), (1330, 421880), (1393, 402800), (1400, 400786), (1484, 378100), (1520, 369145), (1592, 352450), (1855, 302480), (1900, 295316), (1990, 281960), (2014, 278600), (2120, 264670), (2128, 263675), (2650, 211736), (2660, 210940), (2786, 201400), (2800, 200393), (2968, 189050), (3184, 176225), (3325, 168752), (3710, 151240), (3781, 148400), (3800, 147658), (3980, 140980), (4028, 139300), (4240, 132335), (4975, 112784), (5035, 111440), (5300, 105868), (5320, 105470), (5572, 100700), (5936, 94525), (6650, 84376), (6965, 80560), (7049, 79600), (7420, 75620), (7562, 74200), (7600, 73829), (7960, 70490), (8056, 69650), (9275, 60496), (9950, 56392), (10070, 55720), (10547, 53200), (10600, 52934), (10640, 52735), (11144, 50350), (13300, 42188), (13930, 40280), (14098, 39800), (14840, 37810), (15124, 37100), (15920, 35245), (16112, 34825), (18550, 30248), (18905, 29680), (19900, 28196), (20140, 27860), (21094, 26600), (21200, 26467), (22288, 25175)]