74971820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 198858240

約数和(自身を除く): 123886420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 89, 110, 140, 154, 178, 220, 308, 356, 385, 445, 547, 623, 770, 890, 979, 1094, 1246, 1540, 1780, 1958, 2188, 2492, 2735, 3115, 3829, 3916, 4895, 5470, 6017, 6230, 6853, 7658, 9790, 10940, 12034, 12460, 13706, 15316, 19145, 19580, 24068, 27412, 30085, 34265, 38290, 42119, 48683, 60170, 68530, 76580, 84238, 97366, 120340, 137060, 168476, 194732, 210595, 243415, 340781, 421190, 486830, 535513, 681562, 842380, 973660, 1071026, 1363124, 1703905, 2142052, 2677565, 3407810, 3748591, 5355130, 6815620, 7497182, 10710260, 14994364, 18742955, 37485910, 74971820]

約数ペア:

[(1, 74971820), (2, 37485910), (4, 18742955), (5, 14994364), (7, 10710260), (10, 7497182), (11, 6815620), (14, 5355130), (20, 3748591), (22, 3407810), (28, 2677565), (35, 2142052), (44, 1703905), (55, 1363124), (70, 1071026), (77, 973660), (89, 842380), (110, 681562), (140, 535513), (154, 486830), (178, 421190), (220, 340781), (308, 243415), (356, 210595), (385, 194732), (445, 168476), (547, 137060), (623, 120340), (770, 97366), (890, 84238), (979, 76580), (1094, 68530), (1246, 60170), (1540, 48683), (1780, 42119), (1958, 38290), (2188, 34265), (2492, 30085), (2735, 27412), (3115, 24068), (3829, 19580), (3916, 19145), (4895, 15316), (5470, 13706), (6017, 12460), (6230, 12034), (6853, 10940), (7658, 9790)]