231639100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 637459200

約数和(自身を除く): 405820100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 67, 70, 77, 100, 110, 134, 140, 154, 175, 220, 268, 275, 308, 335, 350, 385, 449, 469, 550, 670, 700, 737, 770, 898, 938, 1100, 1340, 1474, 1540, 1675, 1796, 1876, 1925, 2245, 2345, 2948, 3143, 3350, 3685, 3850, 4490, 4690, 4939, 5159, 6286, 6700, 7370, 7700, 8980, 9380, 9878, 10318, 11225, 11725, 12572, 14740, 15715, 18425, 19756, 20636, 22450, 23450, 24695, 25795, 30083, 31430, 34573, 36850, 44900, 46900, 49390, 51590, 60166, 62860, 69146, 73700, 78575, 98780, 103180, 120332, 123475, 128975, 138292, 150415, 157150, 172865, 210581, 246950, 257950, 300830, 314300, 330913, 345730, 421162, 493900, 515900, 601660, 661826, 691460, 752075, 842324, 864325, 1052905, 1323652, 1504150, 1654565, 1728650, 2105810, 2316391, 3008300, 3309130, 3457300, 4211620, 4632782, 5264525, 6618260, 8272825, 9265564, 10529050, 11581955, 16545650, 21058100, 23163910, 33091300, 46327820, 57909775, 115819550, 231639100]

約数ペア:

[(1, 231639100), (2, 115819550), (4, 57909775), (5, 46327820), (7, 33091300), (10, 23163910), (11, 21058100), (14, 16545650), (20, 11581955), (22, 10529050), (25, 9265564), (28, 8272825), (35, 6618260), (44, 5264525), (50, 4632782), (55, 4211620), (67, 3457300), (70, 3309130), (77, 3008300), (100, 2316391), (110, 2105810), (134, 1728650), (140, 1654565), (154, 1504150), (175, 1323652), (220, 1052905), (268, 864325), (275, 842324), (308, 752075), (335, 691460), (350, 661826), (385, 601660), (449, 515900), (469, 493900), (550, 421162), (670, 345730), (700, 330913), (737, 314300), (770, 300830), (898, 257950), (938, 246950), (1100, 210581), (1340, 172865), (1474, 157150), (1540, 150415), (1675, 138292), (1796, 128975), (1876, 123475), (1925, 120332), (2245, 103180), (2345, 98780), (2948, 78575), (3143, 73700), (3350, 69146), (3685, 62860), (3850, 60166), (4490, 51590), (4690, 49390), (4939, 46900), (5159, 44900), (6286, 36850), (6700, 34573), (7370, 31430), (7700, 30083), (8980, 25795), (9380, 24695), (9878, 23450), (10318, 22450), (11225, 20636), (11725, 19756), (12572, 18425), (14740, 15715)]