23939440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 67174272

約数和(自身を除く): 43234832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 197, 217, 245, 248, 280, 310, 392, 394, 434, 490, 496, 560, 620, 784, 788, 868, 980, 985, 1085, 1240, 1379, 1519, 1576, 1736, 1960, 1970, 2170, 2480, 2758, 3038, 3152, 3472, 3920, 3940, 4340, 5516, 6076, 6107, 6895, 7595, 7880, 8680, 9653, 11032, 12152, 12214, 13790, 15190, 15760, 17360, 19306, 22064, 24304, 24428, 27580, 30380, 30535, 38612, 42749, 48265, 48856, 55160, 60760, 61070, 77224, 85498, 96530, 97712, 110320, 121520, 122140, 154448, 170996, 193060, 213745, 244280, 299243, 341992, 386120, 427490, 488560, 598486, 683984, 772240, 854980, 1196972, 1496215, 1709960, 2393944, 2992430, 3419920, 4787888, 5984860, 11969720, 23939440]

約数ペア:

[(1, 23939440), (2, 11969720), (4, 5984860), (5, 4787888), (7, 3419920), (8, 2992430), (10, 2393944), (14, 1709960), (16, 1496215), (20, 1196972), (28, 854980), (31, 772240), (35, 683984), (40, 598486), (49, 488560), (56, 427490), (62, 386120), (70, 341992), (80, 299243), (98, 244280), (112, 213745), (124, 193060), (140, 170996), (155, 154448), (196, 122140), (197, 121520), (217, 110320), (245, 97712), (248, 96530), (280, 85498), (310, 77224), (392, 61070), (394, 60760), (434, 55160), (490, 48856), (496, 48265), (560, 42749), (620, 38612), (784, 30535), (788, 30380), (868, 27580), (980, 24428), (985, 24304), (1085, 22064), (1240, 19306), (1379, 17360), (1519, 15760), (1576, 15190), (1736, 13790), (1960, 12214), (1970, 12152), (2170, 11032), (2480, 9653), (2758, 8680), (3038, 7880), (3152, 7595), (3472, 6895), (3920, 6107), (3940, 6076), (4340, 5516)]