220143910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 466647552

約数和(自身を除く): 246503642

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 73, 134, 146, 335, 365, 469, 511, 643, 670, 730, 938, 1022, 1286, 2345, 2555, 3215, 4501, 4690, 4891, 5110, 6430, 9002, 9782, 22505, 24455, 34237, 43081, 45010, 46939, 48910, 68474, 86162, 93878, 171185, 215405, 234695, 301567, 328573, 342370, 430810, 469390, 603134, 657146, 1507835, 1642865, 3015670, 3144913, 3285730, 6289826, 15724565, 22014391, 31449130, 44028782, 110071955, 220143910]

約数ペア:

[(1, 220143910), (2, 110071955), (5, 44028782), (7, 31449130), (10, 22014391), (14, 15724565), (35, 6289826), (67, 3285730), (70, 3144913), (73, 3015670), (134, 1642865), (146, 1507835), (335, 657146), (365, 603134), (469, 469390), (511, 430810), (643, 342370), (670, 328573), (730, 301567), (938, 234695), (1022, 215405), (1286, 171185), (2345, 93878), (2555, 86162), (3215, 68474), (4501, 48910), (4690, 46939), (4891, 45010), (5110, 43081), (6430, 34237), (9002, 24455), (9782, 22505)]