438647580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^2$

素因数の和:253

約数の個数: 216

約数和(自身を含む): 1578009888

約数和(自身を除く): 1139362308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 97, 105, 111, 126, 140, 148, 180, 185, 194, 210, 222, 252, 259, 291, 315, 333, 370, 388, 420, 444, 485, 518, 555, 582, 630, 666, 679, 740, 777, 873, 970, 1036, 1110, 1164, 1260, 1295, 1332, 1358, 1455, 1554, 1665, 1746, 1940, 2037, 2220, 2331, 2590, 2716, 2910, 3108, 3330, 3395, 3492, 3589, 3885, 4074, 4365, 4662, 5180, 5820, 6111, 6660, 6790, 7178, 7770, 8148, 8730, 9324, 9409, 10185, 10767, 11655, 12222, 13580, 14356, 15540, 17460, 17945, 18818, 20370, 21534, 23310, 24444, 25123, 28227, 30555, 32301, 35890, 37636, 40740, 43068, 46620, 47045, 50246, 53835, 56454, 61110, 64602, 65863, 71780, 75369, 84681, 94090, 100492, 107670, 112908, 122220, 125615, 129204, 131726, 141135, 150738, 161505, 169362, 188180, 197589, 215340, 226107, 251230, 263452, 282270, 301476, 323010, 329315, 338724, 348133, 376845, 395178, 423405, 452214, 502460, 564540, 592767, 646020, 658630, 696266, 753690, 790356, 846810, 904428, 987945, 1044399, 1130535, 1185534, 1317260, 1392532, 1507380, 1693620, 1740665, 1975890, 2088798, 2261070, 2371068, 2436931, 2963835, 3133197, 3481330, 3951780, 4177596, 4522140, 4873862, 5221995, 5927670, 6266394, 6962660, 7310793, 9747724, 10443990, 11855340, 12184655, 12532788, 14621586, 15665985, 20887980, 21932379, 24369310, 29243172, 31331970, 36553965, 43864758, 48738620, 62663940, 73107930, 87729516, 109661895, 146215860, 219323790, 438647580]

約数ペア:

[(1, 438647580), (2, 219323790), (3, 146215860), (4, 109661895), (5, 87729516), (6, 73107930), (7, 62663940), (9, 48738620), (10, 43864758), (12, 36553965), (14, 31331970), (15, 29243172), (18, 24369310), (20, 21932379), (21, 20887980), (28, 15665985), (30, 14621586), (35, 12532788), (36, 12184655), (37, 11855340), (42, 10443990), (45, 9747724), (60, 7310793), (63, 6962660), (70, 6266394), (74, 5927670), (84, 5221995), (90, 4873862), (97, 4522140), (105, 4177596), (111, 3951780), (126, 3481330), (140, 3133197), (148, 2963835), (180, 2436931), (185, 2371068), (194, 2261070), (210, 2088798), (222, 1975890), (252, 1740665), (259, 1693620), (291, 1507380), (315, 1392532), (333, 1317260), (370, 1185534), (388, 1130535), (420, 1044399), (444, 987945), (485, 904428), (518, 846810), (555, 790356), (582, 753690), (630, 696266), (666, 658630), (679, 646020), (740, 592767), (777, 564540), (873, 502460), (970, 452214), (1036, 423405), (1110, 395178), (1164, 376845), (1260, 348133), (1295, 338724), (1332, 329315), (1358, 323010), (1455, 301476), (1554, 282270), (1665, 263452), (1746, 251230), (1940, 226107), (2037, 215340), (2220, 197589), (2331, 188180), (2590, 169362), (2716, 161505), (2910, 150738), (3108, 141135), (3330, 131726), (3395, 129204), (3492, 125615), (3589, 122220), (3885, 112908), (4074, 107670), (4365, 100492), (4662, 94090), (5180, 84681), (5820, 75369), (6111, 71780), (6660, 65863), (6790, 64602), (7178, 61110), (7770, 56454), (8148, 53835), (8730, 50246), (9324, 47045), (9409, 46620), (10185, 43068), (10767, 40740), (11655, 37636), (12222, 35890), (13580, 32301), (14356, 30555), (15540, 28227), (17460, 25123), (17945, 24444), (18818, 23310), (20370, 21534)]