219876580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2225

約数の個数: 96

約数和(自身を含む): 584543232

約数和(自身を除く): 364666652

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 67, 70, 77, 110, 134, 140, 154, 220, 268, 308, 335, 385, 469, 670, 737, 770, 938, 1340, 1474, 1540, 1876, 2131, 2345, 2948, 3685, 4262, 4690, 5159, 7370, 8524, 9380, 10318, 10655, 14740, 14917, 20636, 21310, 23441, 25795, 29834, 42620, 46882, 51590, 59668, 74585, 93764, 103180, 117205, 142777, 149170, 164087, 234410, 285554, 298340, 328174, 468820, 571108, 656348, 713885, 820435, 999439, 1427770, 1570547, 1640870, 1998878, 2855540, 3141094, 3281740, 3997756, 4997195, 6282188, 7852735, 9994390, 10993829, 15705470, 19988780, 21987658, 31410940, 43975316, 54969145, 109938290, 219876580]

約数ペア:

[(1, 219876580), (2, 109938290), (4, 54969145), (5, 43975316), (7, 31410940), (10, 21987658), (11, 19988780), (14, 15705470), (20, 10993829), (22, 9994390), (28, 7852735), (35, 6282188), (44, 4997195), (55, 3997756), (67, 3281740), (70, 3141094), (77, 2855540), (110, 1998878), (134, 1640870), (140, 1570547), (154, 1427770), (220, 999439), (268, 820435), (308, 713885), (335, 656348), (385, 571108), (469, 468820), (670, 328174), (737, 298340), (770, 285554), (938, 234410), (1340, 164087), (1474, 149170), (1540, 142777), (1876, 117205), (2131, 103180), (2345, 93764), (2948, 74585), (3685, 59668), (4262, 51590), (4690, 46882), (5159, 42620), (7370, 29834), (8524, 25795), (9380, 23441), (10318, 21310), (10655, 20636), (14740, 14917)]