400575552

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 168

約数和(自身を含む): 1186452288

約数和(自身を除く): 785876736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 156, 167, 186, 192, 208, 248, 312, 334, 372, 403, 416, 496, 501, 624, 668, 744, 806, 832, 961, 992, 1002, 1209, 1248, 1336, 1488, 1612, 1922, 1984, 2004, 2171, 2418, 2496, 2672, 2883, 2976, 3224, 3844, 4008, 4342, 4836, 5177, 5344, 5766, 5952, 6448, 6513, 7688, 8016, 8684, 9672, 10354, 10688, 11532, 12493, 12896, 13026, 15376, 15531, 16032, 17368, 19344, 20708, 23064, 24986, 25792, 26052, 30752, 31062, 32064, 34736, 37479, 38688, 41416, 46128, 49972, 52104, 61504, 62124, 67301, 69472, 74958, 77376, 82832, 92256, 99944, 104208, 124248, 134602, 138944, 149916, 160487, 165664, 184512, 199888, 201903, 208416, 248496, 269204, 299832, 320974, 331328, 399776, 403806, 416832, 481461, 496992, 538408, 599664, 641948, 799552, 807612, 962922, 993984, 1076816, 1199328, 1283896, 1615224, 1925844, 2086331, 2153632, 2398656, 2567792, 3230448, 3851688, 4172662, 4307264, 5135584, 6258993, 6460896, 7703376, 8345324, 10271168, 12517986, 12921792, 15406752, 16690648, 25035972, 30813504, 33381296, 50071944, 66762592, 100143888, 133525184, 200287776, 400575552]

約数ペア:

[(1, 400575552), (2, 200287776), (3, 133525184), (4, 100143888), (6, 66762592), (8, 50071944), (12, 33381296), (13, 30813504), (16, 25035972), (24, 16690648), (26, 15406752), (31, 12921792), (32, 12517986), (39, 10271168), (48, 8345324), (52, 7703376), (62, 6460896), (64, 6258993), (78, 5135584), (93, 4307264), (96, 4172662), (104, 3851688), (124, 3230448), (156, 2567792), (167, 2398656), (186, 2153632), (192, 2086331), (208, 1925844), (248, 1615224), (312, 1283896), (334, 1199328), (372, 1076816), (403, 993984), (416, 962922), (496, 807612), (501, 799552), (624, 641948), (668, 599664), (744, 538408), (806, 496992), (832, 481461), (961, 416832), (992, 403806), (1002, 399776), (1209, 331328), (1248, 320974), (1336, 299832), (1488, 269204), (1612, 248496), (1922, 208416), (1984, 201903), (2004, 199888), (2171, 184512), (2418, 165664), (2496, 160487), (2672, 149916), (2883, 138944), (2976, 134602), (3224, 124248), (3844, 104208), (4008, 99944), (4342, 92256), (4836, 82832), (5177, 77376), (5344, 74958), (5766, 69472), (5952, 67301), (6448, 62124), (6513, 61504), (7688, 52104), (8016, 49972), (8684, 46128), (9672, 41416), (10354, 38688), (10688, 37479), (11532, 34736), (12493, 32064), (12896, 31062), (13026, 30752), (15376, 26052), (15531, 25792), (16032, 24986), (17368, 23064), (19344, 20708)]