248339840

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{7919}}^1$

素因数の和:7952

約数の個数: 96

約数和(自身を含む): 690703200

約数和(自身を除く): 442363360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 7919, 15680, 15838, 31360, 31676, 39595, 55433, 63352, 79190, 110866, 126704, 158380, 221732, 253408, 277165, 316760, 388031, 443464, 506816, 554330, 633520, 776062, 886928, 1013632, 1108660, 1267040, 1552124, 1773856, 1940155, 2217320, 2534080, 3104248, 3547712, 3880310, 4434640, 5068160, 6208496, 7095424, 7760620, 8869280, 12416992, 15521240, 17738560, 24833984, 31042480, 35477120, 49667968, 62084960, 124169920, 248339840]

約数ペア:

[(1, 248339840), (2, 124169920), (4, 62084960), (5, 49667968), (7, 35477120), (8, 31042480), (10, 24833984), (14, 17738560), (16, 15521240), (20, 12416992), (28, 8869280), (32, 7760620), (35, 7095424), (40, 6208496), (49, 5068160), (56, 4434640), (64, 3880310), (70, 3547712), (80, 3104248), (98, 2534080), (112, 2217320), (128, 1940155), (140, 1773856), (160, 1552124), (196, 1267040), (224, 1108660), (245, 1013632), (280, 886928), (320, 776062), (392, 633520), (448, 554330), (490, 506816), (560, 443464), (640, 388031), (784, 316760), (896, 277165), (980, 253408), (1120, 221732), (1568, 158380), (1960, 126704), (2240, 110866), (3136, 79190), (3920, 63352), (4480, 55433), (6272, 39595), (7840, 31676), (7919, 31360), (15680, 15838)]