245239512

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{31}}^3$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 738816000

約数和(自身を除く): 493576488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 49, 56, 62, 84, 93, 98, 124, 147, 168, 186, 196, 217, 248, 294, 343, 372, 392, 434, 588, 651, 686, 744, 868, 961, 1029, 1176, 1302, 1372, 1519, 1736, 1922, 2058, 2604, 2744, 2883, 3038, 3844, 4116, 4557, 5208, 5766, 6076, 6727, 7688, 8232, 9114, 10633, 11532, 12152, 13454, 18228, 20181, 21266, 23064, 26908, 29791, 31899, 36456, 40362, 42532, 47089, 53816, 59582, 63798, 80724, 85064, 89373, 94178, 119164, 127596, 141267, 161448, 178746, 188356, 208537, 238328, 255192, 282534, 329623, 357492, 376712, 417074, 565068, 625611, 659246, 714984, 834148, 988869, 1130136, 1251222, 1318492, 1459759, 1668296, 1977738, 2502444, 2636984, 2919518, 3955476, 4379277, 5004888, 5839036, 7910952, 8758554, 10218313, 11678072, 17517108, 20436626, 30654939, 35034216, 40873252, 61309878, 81746504, 122619756, 245239512]

約数ペア:

[(1, 245239512), (2, 122619756), (3, 81746504), (4, 61309878), (6, 40873252), (7, 35034216), (8, 30654939), (12, 20436626), (14, 17517108), (21, 11678072), (24, 10218313), (28, 8758554), (31, 7910952), (42, 5839036), (49, 5004888), (56, 4379277), (62, 3955476), (84, 2919518), (93, 2636984), (98, 2502444), (124, 1977738), (147, 1668296), (168, 1459759), (186, 1318492), (196, 1251222), (217, 1130136), (248, 988869), (294, 834148), (343, 714984), (372, 659246), (392, 625611), (434, 565068), (588, 417074), (651, 376712), (686, 357492), (744, 329623), (868, 282534), (961, 255192), (1029, 238328), (1176, 208537), (1302, 188356), (1372, 178746), (1519, 161448), (1736, 141267), (1922, 127596), (2058, 119164), (2604, 94178), (2744, 89373), (2883, 85064), (3038, 80724), (3844, 63798), (4116, 59582), (4557, 53816), (5208, 47089), (5766, 42532), (6076, 40362), (6727, 36456), (7688, 31899), (8232, 29791), (9114, 26908), (10633, 23064), (11532, 21266), (12152, 20181), (13454, 18228)]