2051234120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 5257224000

約数和(自身を除く): 3205989880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 59, 65, 74, 104, 118, 130, 139, 148, 169, 185, 236, 260, 278, 295, 296, 338, 370, 472, 481, 520, 556, 590, 676, 695, 740, 767, 845, 962, 1112, 1180, 1352, 1390, 1480, 1534, 1690, 1807, 1924, 2183, 2360, 2405, 2780, 3068, 3380, 3614, 3835, 3848, 4366, 4810, 5143, 5560, 6136, 6253, 6760, 7228, 7670, 8201, 8732, 9035, 9620, 9971, 10286, 10915, 12506, 14456, 15340, 16402, 17464, 18070, 19240, 19942, 20572, 21830, 23491, 25012, 25715, 28379, 30680, 31265, 32804, 36140, 39884, 41005, 41144, 43660, 46982, 49855, 50024, 51430, 56758, 62530, 65608, 66859, 72280, 79768, 82010, 87320, 93964, 99710, 102860, 106613, 113516, 117455, 125060, 133718, 141895, 164020, 187928, 199420, 205720, 213226, 227032, 234910, 250120, 267436, 283790, 303437, 328040, 334295, 368927, 398840, 426452, 469820, 533065, 534872, 567580, 606874, 668590, 737854, 852904, 869167, 939640, 1066130, 1135160, 1213748, 1337180, 1385969, 1475708, 1517185, 1738334, 1844635, 2132260, 2427496, 2674360, 2771938, 2951416, 3034370, 3476668, 3689270, 3944681, 4264520, 4345835, 5543876, 6068740, 6929845, 6953336, 7378540, 7889362, 8691670, 11087752, 12137480, 13859690, 14757080, 15778724, 17383340, 19723405, 27719380, 31557448, 34766680, 39446810, 51280853, 55438760, 78893620, 102561706, 157787240, 205123412, 256404265, 410246824, 512808530, 1025617060, 2051234120]

約数ペア:

[(1, 2051234120), (2, 1025617060), (4, 512808530), (5, 410246824), (8, 256404265), (10, 205123412), (13, 157787240), (20, 102561706), (26, 78893620), (37, 55438760), (40, 51280853), (52, 39446810), (59, 34766680), (65, 31557448), (74, 27719380), (104, 19723405), (118, 17383340), (130, 15778724), (139, 14757080), (148, 13859690), (169, 12137480), (185, 11087752), (236, 8691670), (260, 7889362), (278, 7378540), (295, 6953336), (296, 6929845), (338, 6068740), (370, 5543876), (472, 4345835), (481, 4264520), (520, 3944681), (556, 3689270), (590, 3476668), (676, 3034370), (695, 2951416), (740, 2771938), (767, 2674360), (845, 2427496), (962, 2132260), (1112, 1844635), (1180, 1738334), (1352, 1517185), (1390, 1475708), (1480, 1385969), (1534, 1337180), (1690, 1213748), (1807, 1135160), (1924, 1066130), (2183, 939640), (2360, 869167), (2405, 852904), (2780, 737854), (3068, 668590), (3380, 606874), (3614, 567580), (3835, 534872), (3848, 533065), (4366, 469820), (4810, 426452), (5143, 398840), (5560, 368927), (6136, 334295), (6253, 328040), (6760, 303437), (7228, 283790), (7670, 267436), (8201, 250120), (8732, 234910), (9035, 227032), (9620, 213226), (9971, 205720), (10286, 199420), (10915, 187928), (12506, 164020), (14456, 141895), (15340, 133718), (16402, 125060), (17464, 117455), (18070, 113516), (19240, 106613), (19942, 102860), (20572, 99710), (21830, 93964), (23491, 87320), (25012, 82010), (25715, 79768), (28379, 72280), (30680, 66859), (31265, 65608), (32804, 62530), (36140, 56758), (39884, 51430), (41005, 50024), (41144, 49855), (43660, 46982)]