47878880

素因数分解:

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

素因数の和:257

約数の個数: 144

約数和(自身を含む): 136515456

約数和(自身を除く): 88636576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 197, 217, 224, 245, 248, 280, 310, 392, 394, 434, 490, 496, 560, 620, 784, 788, 868, 980, 985, 992, 1085, 1120, 1240, 1379, 1519, 1568, 1576, 1736, 1960, 1970, 2170, 2480, 2758, 3038, 3152, 3472, 3920, 3940, 4340, 4960, 5516, 6076, 6107, 6304, 6895, 6944, 7595, 7840, 7880, 8680, 9653, 11032, 12152, 12214, 13790, 15190, 15760, 17360, 19306, 22064, 24304, 24428, 27580, 30380, 30535, 31520, 34720, 38612, 42749, 44128, 48265, 48608, 48856, 55160, 60760, 61070, 77224, 85498, 96530, 97712, 110320, 121520, 122140, 154448, 170996, 193060, 195424, 213745, 220640, 243040, 244280, 299243, 308896, 341992, 386120, 427490, 488560, 598486, 683984, 772240, 854980, 977120, 1196972, 1367968, 1496215, 1544480, 1709960, 2393944, 2992430, 3419920, 4787888, 5984860, 6839840, 9575776, 11969720, 23939440, 47878880]

約数ペア:

[(1, 47878880), (2, 23939440), (4, 11969720), (5, 9575776), (7, 6839840), (8, 5984860), (10, 4787888), (14, 3419920), (16, 2992430), (20, 2393944), (28, 1709960), (31, 1544480), (32, 1496215), (35, 1367968), (40, 1196972), (49, 977120), (56, 854980), (62, 772240), (70, 683984), (80, 598486), (98, 488560), (112, 427490), (124, 386120), (140, 341992), (155, 308896), (160, 299243), (196, 244280), (197, 243040), (217, 220640), (224, 213745), (245, 195424), (248, 193060), (280, 170996), (310, 154448), (392, 122140), (394, 121520), (434, 110320), (490, 97712), (496, 96530), (560, 85498), (620, 77224), (784, 61070), (788, 60760), (868, 55160), (980, 48856), (985, 48608), (992, 48265), (1085, 44128), (1120, 42749), (1240, 38612), (1379, 34720), (1519, 31520), (1568, 30535), (1576, 30380), (1736, 27580), (1960, 24428), (1970, 24304), (2170, 22064), (2480, 19306), (2758, 17360), (3038, 15760), (3152, 15190), (3472, 13790), (3920, 12214), (3940, 12152), (4340, 11032), (4960, 9653), (5516, 8680), (6076, 7880), (6107, 7840), (6304, 7595), (6895, 6944)]