389658840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 256

約数和(自身を含む): 1313280000

約数和(自身を除く): 923621160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 37, 38, 40, 57, 60, 62, 74, 76, 93, 95, 111, 114, 120, 124, 148, 149, 152, 155, 185, 186, 190, 222, 228, 248, 285, 296, 298, 310, 370, 372, 380, 444, 447, 456, 465, 555, 570, 589, 596, 620, 703, 740, 744, 745, 760, 888, 894, 930, 1110, 1140, 1147, 1178, 1192, 1240, 1406, 1480, 1490, 1767, 1788, 1860, 2109, 2220, 2235, 2280, 2294, 2356, 2812, 2831, 2945, 2980, 3441, 3515, 3534, 3576, 3720, 4218, 4440, 4470, 4588, 4619, 4712, 5513, 5624, 5662, 5735, 5890, 5960, 6882, 7030, 7068, 8436, 8493, 8835, 8940, 9176, 9238, 10545, 11026, 11324, 11470, 11780, 13764, 13857, 14060, 14136, 14155, 16539, 16872, 16986, 17205, 17670, 17880, 18476, 21090, 21793, 22052, 22648, 22940, 23095, 23560, 27528, 27565, 27714, 28120, 28310, 33078, 33972, 34410, 35340, 36952, 42180, 42465, 43586, 44104, 45880, 46190, 55130, 55428, 56620, 65379, 66156, 67944, 68820, 69285, 70680, 82695, 84360, 84930, 87172, 87761, 92380, 104747, 108965, 110260, 110856, 113240, 130758, 132312, 137640, 138570, 165390, 169860, 170903, 174344, 175522, 184760, 209494, 217930, 220520, 261516, 263283, 277140, 314241, 326895, 330780, 339720, 341806, 351044, 418988, 435860, 438805, 512709, 523032, 523735, 526566, 554280, 628482, 653790, 661560, 683612, 702088, 837976, 854515, 871720, 877610, 1025418, 1047470, 1053132, 1256964, 1307580, 1316415, 1367224, 1571205, 1709030, 1755220, 2050836, 2094940, 2106264, 2513928, 2563545, 2615160, 2632830, 3142410, 3247157, 3418060, 3510440, 4101672, 4189880, 5127090, 5265660, 6284820, 6494314, 6836120, 9741471, 10254180, 10531320, 12569640, 12988628, 16235785, 19482942, 20508360, 25977256, 32471570, 38965884, 48707355, 64943140, 77931768, 97414710, 129886280, 194829420, 389658840]

約数ペア:

[(1, 389658840), (2, 194829420), (3, 129886280), (4, 97414710), (5, 77931768), (6, 64943140), (8, 48707355), (10, 38965884), (12, 32471570), (15, 25977256), (19, 20508360), (20, 19482942), (24, 16235785), (30, 12988628), (31, 12569640), (37, 10531320), (38, 10254180), (40, 9741471), (57, 6836120), (60, 6494314), (62, 6284820), (74, 5265660), (76, 5127090), (93, 4189880), (95, 4101672), (111, 3510440), (114, 3418060), (120, 3247157), (124, 3142410), (148, 2632830), (149, 2615160), (152, 2563545), (155, 2513928), (185, 2106264), (186, 2094940), (190, 2050836), (222, 1755220), (228, 1709030), (248, 1571205), (285, 1367224), (296, 1316415), (298, 1307580), (310, 1256964), (370, 1053132), (372, 1047470), (380, 1025418), (444, 877610), (447, 871720), (456, 854515), (465, 837976), (555, 702088), (570, 683612), (589, 661560), (596, 653790), (620, 628482), (703, 554280), (740, 526566), (744, 523735), (745, 523032), (760, 512709), (888, 438805), (894, 435860), (930, 418988), (1110, 351044), (1140, 341806), (1147, 339720), (1178, 330780), (1192, 326895), (1240, 314241), (1406, 277140), (1480, 263283), (1490, 261516), (1767, 220520), (1788, 217930), (1860, 209494), (2109, 184760), (2220, 175522), (2235, 174344), (2280, 170903), (2294, 169860), (2356, 165390), (2812, 138570), (2831, 137640), (2945, 132312), (2980, 130758), (3441, 113240), (3515, 110856), (3534, 110260), (3576, 108965), (3720, 104747), (4218, 92380), (4440, 87761), (4470, 87172), (4588, 84930), (4619, 84360), (4712, 82695), (5513, 70680), (5624, 69285), (5662, 68820), (5735, 67944), (5890, 66156), (5960, 65379), (6882, 56620), (7030, 55428), (7068, 55130), (8436, 46190), (8493, 45880), (8835, 44104), (8940, 43586), (9176, 42465), (9238, 42180), (10545, 36952), (11026, 35340), (11324, 34410), (11470, 33972), (11780, 33078), (13764, 28310), (13857, 28120), (14060, 27714), (14136, 27565), (14155, 27528), (16539, 23560), (16872, 23095), (16986, 22940), (17205, 22648), (17670, 22052), (17880, 21793), (18476, 21090)]