207287720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{877}}^1$

素因数の和:1218

約数の個数: 64

約数和(自身を含む): 493084800

約数和(自身を除く): 285797080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 311, 380, 622, 760, 877, 1244, 1555, 1754, 2488, 3110, 3508, 4385, 5909, 6220, 7016, 8770, 11818, 12440, 16663, 17540, 23636, 29545, 33326, 35080, 47272, 59090, 66652, 83315, 118180, 133304, 166630, 236360, 272747, 333260, 545494, 666520, 1090988, 1363735, 2181976, 2727470, 5182193, 5454940, 10364386, 10909880, 20728772, 25910965, 41457544, 51821930, 103643860, 207287720]

約数ペア:

[(1, 207287720), (2, 103643860), (4, 51821930), (5, 41457544), (8, 25910965), (10, 20728772), (19, 10909880), (20, 10364386), (38, 5454940), (40, 5182193), (76, 2727470), (95, 2181976), (152, 1363735), (190, 1090988), (311, 666520), (380, 545494), (622, 333260), (760, 272747), (877, 236360), (1244, 166630), (1555, 133304), (1754, 118180), (2488, 83315), (3110, 66652), (3508, 59090), (4385, 47272), (5909, 35080), (6220, 33326), (7016, 29545), (8770, 23636), (11818, 17540), (12440, 16663)]