49108920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 256

約数和(自身を含む): 188697600

約数和(自身を除く): 139588680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 51, 56, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 120, 133, 136, 140, 152, 168, 170, 181, 190, 204, 210, 228, 238, 255, 266, 280, 285, 323, 340, 357, 362, 380, 399, 408, 420, 456, 476, 510, 532, 543, 570, 595, 646, 665, 680, 714, 724, 760, 798, 840, 905, 952, 969, 1020, 1064, 1086, 1140, 1190, 1267, 1292, 1330, 1428, 1448, 1596, 1615, 1785, 1810, 1938, 1995, 2040, 2172, 2261, 2280, 2380, 2534, 2584, 2660, 2715, 2856, 3077, 3192, 3230, 3439, 3570, 3620, 3801, 3876, 3990, 4344, 4522, 4760, 4845, 5068, 5320, 5430, 6154, 6335, 6460, 6783, 6878, 7140, 7240, 7602, 7752, 7980, 9044, 9231, 9690, 10136, 10317, 10860, 11305, 12308, 12670, 12920, 13566, 13756, 14280, 15204, 15385, 15960, 17195, 18088, 18462, 19005, 19380, 20634, 21539, 21720, 22610, 24073, 24616, 25340, 27132, 27512, 30408, 30770, 33915, 34390, 36924, 38010, 38760, 41268, 43078, 45220, 46155, 48146, 50680, 51585, 54264, 58463, 61540, 64617, 67830, 68780, 72219, 73848, 76020, 82536, 86156, 90440, 92310, 96292, 103170, 107695, 116926, 120365, 123080, 129234, 135660, 137560, 144438, 152040, 172312, 175389, 184620, 192584, 206340, 215390, 233852, 240730, 258468, 271320, 288876, 292315, 323085, 350778, 361095, 369240, 409241, 412680, 430780, 467704, 481460, 516936, 577752, 584630, 646170, 701556, 722190, 818482, 861560, 876945, 962920, 1169260, 1227723, 1292340, 1403112, 1444380, 1636964, 1753890, 2046205, 2338520, 2455446, 2584680, 2888760, 3273928, 3507780, 4092410, 4910892, 6138615, 7015560, 8184820, 9821784, 12277230, 16369640, 24554460, 49108920]

約数ペア:

[(1, 49108920), (2, 24554460), (3, 16369640), (4, 12277230), (5, 9821784), (6, 8184820), (7, 7015560), (8, 6138615), (10, 4910892), (12, 4092410), (14, 3507780), (15, 3273928), (17, 2888760), (19, 2584680), (20, 2455446), (21, 2338520), (24, 2046205), (28, 1753890), (30, 1636964), (34, 1444380), (35, 1403112), (38, 1292340), (40, 1227723), (42, 1169260), (51, 962920), (56, 876945), (57, 861560), (60, 818482), (68, 722190), (70, 701556), (76, 646170), (84, 584630), (85, 577752), (95, 516936), (102, 481460), (105, 467704), (114, 430780), (119, 412680), (120, 409241), (133, 369240), (136, 361095), (140, 350778), (152, 323085), (168, 292315), (170, 288876), (181, 271320), (190, 258468), (204, 240730), (210, 233852), (228, 215390), (238, 206340), (255, 192584), (266, 184620), (280, 175389), (285, 172312), (323, 152040), (340, 144438), (357, 137560), (362, 135660), (380, 129234), (399, 123080), (408, 120365), (420, 116926), (456, 107695), (476, 103170), (510, 96292), (532, 92310), (543, 90440), (570, 86156), (595, 82536), (646, 76020), (665, 73848), (680, 72219), (714, 68780), (724, 67830), (760, 64617), (798, 61540), (840, 58463), (905, 54264), (952, 51585), (969, 50680), (1020, 48146), (1064, 46155), (1086, 45220), (1140, 43078), (1190, 41268), (1267, 38760), (1292, 38010), (1330, 36924), (1428, 34390), (1448, 33915), (1596, 30770), (1615, 30408), (1785, 27512), (1810, 27132), (1938, 25340), (1995, 24616), (2040, 24073), (2172, 22610), (2261, 21720), (2280, 21539), (2380, 20634), (2534, 19380), (2584, 19005), (2660, 18462), (2715, 18088), (2856, 17195), (3077, 15960), (3192, 15385), (3230, 15204), (3439, 14280), (3570, 13756), (3620, 13566), (3801, 12920), (3876, 12670), (3990, 12308), (4344, 11305), (4522, 10860), (4760, 10317), (4845, 10136), (5068, 9690), (5320, 9231), (5430, 9044), (6154, 7980), (6335, 7752), (6460, 7602), (6783, 7240), (6878, 7140)]