388231380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 288

約数和(自身を含む): 1338494976

約数和(自身を除く): 950263596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 37, 45, 51, 54, 60, 68, 74, 81, 85, 90, 102, 108, 111, 127, 135, 148, 153, 162, 170, 180, 185, 204, 222, 243, 254, 255, 270, 306, 324, 333, 340, 370, 381, 405, 444, 459, 486, 508, 510, 540, 555, 612, 629, 635, 666, 740, 762, 765, 810, 918, 972, 999, 1020, 1110, 1143, 1215, 1258, 1270, 1332, 1377, 1524, 1530, 1620, 1665, 1836, 1887, 1905, 1998, 2159, 2220, 2286, 2295, 2430, 2516, 2540, 2754, 2997, 3060, 3145, 3330, 3429, 3774, 3810, 3996, 4131, 4318, 4572, 4590, 4699, 4860, 4995, 5508, 5661, 5715, 5994, 6290, 6477, 6660, 6858, 6885, 7548, 7620, 8262, 8636, 8991, 9180, 9398, 9435, 9990, 10287, 10795, 11322, 11430, 11988, 12580, 12954, 13716, 13770, 14097, 14985, 16524, 16983, 17145, 17982, 18796, 18870, 19431, 19980, 20574, 20655, 21590, 22644, 22860, 23495, 25908, 27540, 28194, 28305, 29970, 30861, 32385, 33966, 34290, 35964, 37740, 38862, 41148, 41310, 42291, 43180, 44955, 46990, 50949, 51435, 56388, 56610, 58293, 59940, 61722, 64770, 67932, 68580, 70485, 77724, 79883, 82620, 84582, 84915, 89910, 93980, 97155, 101898, 102870, 113220, 116586, 123444, 126873, 129540, 140970, 152847, 154305, 159766, 169164, 169830, 174879, 179820, 194310, 203796, 205740, 211455, 233172, 239649, 253746, 254745, 281940, 291465, 305694, 308610, 319532, 339660, 349758, 380619, 388620, 399415, 422910, 479298, 507492, 509490, 524637, 582930, 611388, 617220, 634365, 699516, 718947, 761238, 764235, 798830, 845820, 874395, 958596, 1018980, 1049274, 1141857, 1165860, 1198245, 1268730, 1437894, 1522476, 1528470, 1597660, 1748790, 1903095, 2098548, 2156841, 2283714, 2396490, 2537460, 2623185, 2875788, 3056940, 3497580, 3594735, 3806190, 4313682, 4567428, 4792980, 5246370, 5709285, 6470523, 7189470, 7612380, 8627364, 10492740, 10784205, 11418570, 12941046, 14378940, 19411569, 21568410, 22837140, 25882092, 32352615, 38823138, 43136820, 64705230, 77646276, 97057845, 129410460, 194115690, 388231380]

約数ペア:

[(1, 388231380), (2, 194115690), (3, 129410460), (4, 97057845), (5, 77646276), (6, 64705230), (9, 43136820), (10, 38823138), (12, 32352615), (15, 25882092), (17, 22837140), (18, 21568410), (20, 19411569), (27, 14378940), (30, 12941046), (34, 11418570), (36, 10784205), (37, 10492740), (45, 8627364), (51, 7612380), (54, 7189470), (60, 6470523), (68, 5709285), (74, 5246370), (81, 4792980), (85, 4567428), (90, 4313682), (102, 3806190), (108, 3594735), (111, 3497580), (127, 3056940), (135, 2875788), (148, 2623185), (153, 2537460), (162, 2396490), (170, 2283714), (180, 2156841), (185, 2098548), (204, 1903095), (222, 1748790), (243, 1597660), (254, 1528470), (255, 1522476), (270, 1437894), (306, 1268730), (324, 1198245), (333, 1165860), (340, 1141857), (370, 1049274), (381, 1018980), (405, 958596), (444, 874395), (459, 845820), (486, 798830), (508, 764235), (510, 761238), (540, 718947), (555, 699516), (612, 634365), (629, 617220), (635, 611388), (666, 582930), (740, 524637), (762, 509490), (765, 507492), (810, 479298), (918, 422910), (972, 399415), (999, 388620), (1020, 380619), (1110, 349758), (1143, 339660), (1215, 319532), (1258, 308610), (1270, 305694), (1332, 291465), (1377, 281940), (1524, 254745), (1530, 253746), (1620, 239649), (1665, 233172), (1836, 211455), (1887, 205740), (1905, 203796), (1998, 194310), (2159, 179820), (2220, 174879), (2286, 169830), (2295, 169164), (2430, 159766), (2516, 154305), (2540, 152847), (2754, 140970), (2997, 129540), (3060, 126873), (3145, 123444), (3330, 116586), (3429, 113220), (3774, 102870), (3810, 101898), (3996, 97155), (4131, 93980), (4318, 89910), (4572, 84915), (4590, 84582), (4699, 82620), (4860, 79883), (4995, 77724), (5508, 70485), (5661, 68580), (5715, 67932), (5994, 64770), (6290, 61722), (6477, 59940), (6660, 58293), (6858, 56610), (6885, 56388), (7548, 51435), (7620, 50949), (8262, 46990), (8636, 44955), (8991, 43180), (9180, 42291), (9398, 41310), (9435, 41148), (9990, 38862), (10287, 37740), (10795, 35964), (11322, 34290), (11430, 33966), (11988, 32385), (12580, 30861), (12954, 29970), (13716, 28305), (13770, 28194), (14097, 27540), (14985, 25908), (16524, 23495), (16983, 22860), (17145, 22644), (17982, 21590), (18796, 20655), (18870, 20574), (19431, 19980)]