388236870

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:347

約数の個数: 192

約数和(自身を含む): 1208623104

約数和(自身を除く): 820386234

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 90, 93, 103, 105, 126, 155, 186, 193, 206, 210, 217, 279, 309, 310, 315, 386, 434, 465, 515, 558, 579, 618, 630, 651, 721, 927, 930, 965, 1030, 1085, 1158, 1302, 1351, 1395, 1442, 1545, 1737, 1854, 1930, 1953, 2163, 2170, 2702, 2790, 2895, 3090, 3193, 3255, 3474, 3605, 3906, 4053, 4326, 4635, 5790, 5983, 6386, 6489, 6510, 6755, 7210, 8106, 8685, 9270, 9579, 9765, 10815, 11966, 12159, 12978, 13510, 15965, 17370, 17949, 19158, 19530, 19879, 20265, 21630, 22351, 24318, 28737, 29915, 31930, 32445, 35898, 39758, 40530, 41881, 44702, 47895, 53847, 57474, 59637, 59830, 60795, 64890, 67053, 83762, 89745, 95790, 99395, 107694, 111755, 119274, 121590, 125643, 134106, 139153, 143685, 178911, 179490, 198790, 201159, 209405, 223510, 251286, 269235, 278306, 287370, 298185, 335265, 357822, 376929, 402318, 417459, 418810, 538470, 596370, 616249, 628215, 670530, 695765, 753858, 834918, 894555, 1005795, 1232498, 1252377, 1256430, 1391530, 1789110, 1848747, 1884645, 2011590, 2087295, 2504754, 3081245, 3697494, 3769290, 4174590, 4313743, 5546241, 6162490, 6261885, 8627486, 9243735, 11092482, 12523770, 12941229, 18487470, 21568715, 25882458, 27731205, 38823687, 43137430, 55462410, 64706145, 77647374, 129412290, 194118435, 388236870]

約数ペア:

[(1, 388236870), (2, 194118435), (3, 129412290), (5, 77647374), (6, 64706145), (7, 55462410), (9, 43137430), (10, 38823687), (14, 27731205), (15, 25882458), (18, 21568715), (21, 18487470), (30, 12941229), (31, 12523770), (35, 11092482), (42, 9243735), (45, 8627486), (62, 6261885), (63, 6162490), (70, 5546241), (90, 4313743), (93, 4174590), (103, 3769290), (105, 3697494), (126, 3081245), (155, 2504754), (186, 2087295), (193, 2011590), (206, 1884645), (210, 1848747), (217, 1789110), (279, 1391530), (309, 1256430), (310, 1252377), (315, 1232498), (386, 1005795), (434, 894555), (465, 834918), (515, 753858), (558, 695765), (579, 670530), (618, 628215), (630, 616249), (651, 596370), (721, 538470), (927, 418810), (930, 417459), (965, 402318), (1030, 376929), (1085, 357822), (1158, 335265), (1302, 298185), (1351, 287370), (1395, 278306), (1442, 269235), (1545, 251286), (1737, 223510), (1854, 209405), (1930, 201159), (1953, 198790), (2163, 179490), (2170, 178911), (2702, 143685), (2790, 139153), (2895, 134106), (3090, 125643), (3193, 121590), (3255, 119274), (3474, 111755), (3605, 107694), (3906, 99395), (4053, 95790), (4326, 89745), (4635, 83762), (5790, 67053), (5983, 64890), (6386, 60795), (6489, 59830), (6510, 59637), (6755, 57474), (7210, 53847), (8106, 47895), (8685, 44702), (9270, 41881), (9579, 40530), (9765, 39758), (10815, 35898), (11966, 32445), (12159, 31930), (12978, 29915), (13510, 28737), (15965, 24318), (17370, 22351), (17949, 21630), (19158, 20265), (19530, 19879)]