275039440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:525

約数の個数: 160

約数和(自身を含む): 749952000

約数和(自身を除く): 474912560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 380, 403, 449, 494, 496, 520, 589, 620, 760, 806, 898, 988, 1040, 1178, 1235, 1240, 1520, 1612, 1796, 1976, 2015, 2245, 2356, 2470, 2480, 2945, 3224, 3592, 3952, 4030, 4490, 4712, 4940, 5837, 5890, 6448, 7184, 7657, 8060, 8531, 8980, 9424, 9880, 11674, 11780, 13919, 15314, 16120, 17062, 17960, 19760, 23348, 23560, 27838, 29185, 30628, 32240, 34124, 35920, 38285, 42655, 46696, 47120, 55676, 58370, 61256, 68248, 69595, 76570, 85310, 93392, 110903, 111352, 116740, 122512, 136496, 139190, 153140, 170620, 180947, 221806, 222704, 233480, 264461, 278380, 306280, 341240, 361894, 443612, 466960, 528922, 554515, 556760, 612560, 682480, 723788, 887224, 904735, 1057844, 1109030, 1113520, 1322305, 1447576, 1774448, 1809470, 2115688, 2218060, 2644610, 2895152, 3437993, 3618940, 4231376, 4436120, 5289220, 6875986, 7237880, 8872240, 10578440, 13751972, 14475760, 17189965, 21156880, 27503944, 34379930, 55007888, 68759860, 137519720, 275039440]

約数ペア:

[(1, 275039440), (2, 137519720), (4, 68759860), (5, 55007888), (8, 34379930), (10, 27503944), (13, 21156880), (16, 17189965), (19, 14475760), (20, 13751972), (26, 10578440), (31, 8872240), (38, 7237880), (40, 6875986), (52, 5289220), (62, 4436120), (65, 4231376), (76, 3618940), (80, 3437993), (95, 2895152), (104, 2644610), (124, 2218060), (130, 2115688), (152, 1809470), (155, 1774448), (190, 1447576), (208, 1322305), (247, 1113520), (248, 1109030), (260, 1057844), (304, 904735), (310, 887224), (380, 723788), (403, 682480), (449, 612560), (494, 556760), (496, 554515), (520, 528922), (589, 466960), (620, 443612), (760, 361894), (806, 341240), (898, 306280), (988, 278380), (1040, 264461), (1178, 233480), (1235, 222704), (1240, 221806), (1520, 180947), (1612, 170620), (1796, 153140), (1976, 139190), (2015, 136496), (2245, 122512), (2356, 116740), (2470, 111352), (2480, 110903), (2945, 93392), (3224, 85310), (3592, 76570), (3952, 69595), (4030, 68248), (4490, 61256), (4712, 58370), (4940, 55676), (5837, 47120), (5890, 46696), (6448, 42655), (7184, 38285), (7657, 35920), (8060, 34124), (8531, 32240), (8980, 30628), (9424, 29185), (9880, 27838), (11674, 23560), (11780, 23348), (13919, 19760), (15314, 17960), (16120, 17062)]