28919779600

素因数分解:

$2^4\times 5^2\times {\mathrm{127}}^1\times {\mathrm{571}}^1\times {\mathrm{997}}^1$

素因数の和:1713

約数の個数: 120

約数和(自身を含む): 70219854848

約数和(自身を除く): 41300075248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 127, 200, 254, 400, 508, 571, 635, 997, 1016, 1142, 1270, 1994, 2032, 2284, 2540, 2855, 3175, 3988, 4568, 4985, 5080, 5710, 6350, 7976, 9136, 9970, 10160, 11420, 12700, 14275, 15952, 19940, 22840, 24925, 25400, 28550, 39880, 45680, 49850, 50800, 57100, 72517, 79760, 99700, 114200, 126619, 145034, 199400, 228400, 253238, 290068, 362585, 398800, 506476, 569287, 580136, 633095, 725170, 1012952, 1138574, 1160272, 1266190, 1450340, 1812925, 2025904, 2277148, 2532380, 2846435, 2900680, 3165475, 3625850, 4554296, 5064760, 5692870, 5801360, 6330950, 7251700, 9108592, 10129520, 11385740, 12661900, 14232175, 14503400, 22771480, 25323800, 28464350, 29006800, 45542960, 50647600, 56928700, 72299449, 113857400, 144598898, 227714800, 289197796, 361497245, 578395592, 722994490, 1156791184, 1445988980, 1807486225, 2891977960, 3614972450, 5783955920, 7229944900, 14459889800, 28919779600]

約数ペア:

[(1, 28919779600), (2, 14459889800), (4, 7229944900), (5, 5783955920), (8, 3614972450), (10, 2891977960), (16, 1807486225), (20, 1445988980), (25, 1156791184), (40, 722994490), (50, 578395592), (80, 361497245), (100, 289197796), (127, 227714800), (200, 144598898), (254, 113857400), (400, 72299449), (508, 56928700), (571, 50647600), (635, 45542960), (997, 29006800), (1016, 28464350), (1142, 25323800), (1270, 22771480), (1994, 14503400), (2032, 14232175), (2284, 12661900), (2540, 11385740), (2855, 10129520), (3175, 9108592), (3988, 7251700), (4568, 6330950), (4985, 5801360), (5080, 5692870), (5710, 5064760), (6350, 4554296), (7976, 3625850), (9136, 3165475), (9970, 2900680), (10160, 2846435), (11420, 2532380), (12700, 2277148), (14275, 2025904), (15952, 1812925), (19940, 1450340), (22840, 1266190), (24925, 1160272), (25400, 1138574), (28550, 1012952), (39880, 725170), (45680, 633095), (49850, 580136), (50800, 569287), (57100, 506476), (72517, 398800), (79760, 362585), (99700, 290068), (114200, 253238), (126619, 228400), (145034, 199400)]