7949480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 23328000

約数和(自身を除く): 15378520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 89, 110, 116, 140, 145, 154, 178, 203, 220, 232, 280, 290, 308, 319, 356, 385, 406, 440, 445, 580, 616, 623, 638, 712, 770, 812, 890, 979, 1015, 1160, 1246, 1276, 1540, 1595, 1624, 1780, 1958, 2030, 2233, 2492, 2552, 2581, 3080, 3115, 3190, 3560, 3916, 4060, 4466, 4895, 4984, 5162, 6230, 6380, 6853, 7832, 8120, 8932, 9790, 10324, 11165, 12460, 12760, 12905, 13706, 17864, 18067, 19580, 20648, 22330, 24920, 25810, 27412, 28391, 34265, 36134, 39160, 44660, 51620, 54824, 56782, 68530, 72268, 89320, 90335, 103240, 113564, 137060, 141955, 144536, 180670, 198737, 227128, 274120, 283910, 361340, 397474, 567820, 722680, 794948, 993685, 1135640, 1589896, 1987370, 3974740, 7949480]

約数ペア:

[(1, 7949480), (2, 3974740), (4, 1987370), (5, 1589896), (7, 1135640), (8, 993685), (10, 794948), (11, 722680), (14, 567820), (20, 397474), (22, 361340), (28, 283910), (29, 274120), (35, 227128), (40, 198737), (44, 180670), (55, 144536), (56, 141955), (58, 137060), (70, 113564), (77, 103240), (88, 90335), (89, 89320), (110, 72268), (116, 68530), (140, 56782), (145, 54824), (154, 51620), (178, 44660), (203, 39160), (220, 36134), (232, 34265), (280, 28391), (290, 27412), (308, 25810), (319, 24920), (356, 22330), (385, 20648), (406, 19580), (440, 18067), (445, 17864), (580, 13706), (616, 12905), (623, 12760), (638, 12460), (712, 11165), (770, 10324), (812, 9790), (890, 8932), (979, 8120), (1015, 7832), (1160, 6853), (1246, 6380), (1276, 6230), (1540, 5162), (1595, 4984), (1624, 4895), (1780, 4466), (1958, 4060), (2030, 3916), (2233, 3560), (2492, 3190), (2552, 3115), (2581, 3080)]