42666260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 119451024

約数和(自身を除く): 76784764

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 119, 130, 140, 170, 182, 196, 197, 221, 238, 245, 260, 340, 364, 394, 442, 455, 476, 490, 595, 637, 788, 833, 884, 910, 980, 985, 1105, 1190, 1274, 1379, 1547, 1666, 1820, 1970, 2210, 2380, 2548, 2561, 2758, 3094, 3185, 3332, 3349, 3940, 4165, 4420, 5122, 5516, 6188, 6370, 6698, 6895, 7735, 8330, 9653, 10244, 10829, 12740, 12805, 13396, 13790, 15470, 16660, 16745, 17927, 19306, 21658, 23443, 25610, 27580, 30940, 33490, 35854, 38612, 43316, 43537, 46886, 48265, 51220, 54145, 66980, 71708, 87074, 89635, 93772, 96530, 108290, 117215, 125489, 164101, 174148, 179270, 193060, 216580, 217685, 234430, 250978, 304759, 328202, 358540, 435370, 468860, 501956, 609518, 627445, 656404, 820505, 870740, 1219036, 1254890, 1523795, 1641010, 2133313, 2509780, 3047590, 3282020, 4266626, 6095180, 8533252, 10666565, 21333130, 42666260]

約数ペア:

[(1, 42666260), (2, 21333130), (4, 10666565), (5, 8533252), (7, 6095180), (10, 4266626), (13, 3282020), (14, 3047590), (17, 2509780), (20, 2133313), (26, 1641010), (28, 1523795), (34, 1254890), (35, 1219036), (49, 870740), (52, 820505), (65, 656404), (68, 627445), (70, 609518), (85, 501956), (91, 468860), (98, 435370), (119, 358540), (130, 328202), (140, 304759), (170, 250978), (182, 234430), (196, 217685), (197, 216580), (221, 193060), (238, 179270), (245, 174148), (260, 164101), (340, 125489), (364, 117215), (394, 108290), (442, 96530), (455, 93772), (476, 89635), (490, 87074), (595, 71708), (637, 66980), (788, 54145), (833, 51220), (884, 48265), (910, 46886), (980, 43537), (985, 43316), (1105, 38612), (1190, 35854), (1274, 33490), (1379, 30940), (1547, 27580), (1666, 25610), (1820, 23443), (1970, 21658), (2210, 19306), (2380, 17927), (2548, 16745), (2561, 16660), (2758, 15470), (3094, 13790), (3185, 13396), (3332, 12805), (3349, 12740), (3940, 10829), (4165, 10244), (4420, 9653), (5122, 8330), (5516, 7735), (6188, 6895), (6370, 6698)]