289090130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{217361}}^1$

素因数の和:217394

約数の個数: 32

約数和(自身を含む): 626002560

約数和(自身を除く): 336912430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 217361, 434722, 1086805, 1521527, 2173610, 3043054, 4129859, 7607635, 8259718, 15215270, 20649295, 28909013, 41298590, 57818026, 144545065, 289090130]

約数ペア:

[(1, 289090130), (2, 144545065), (5, 57818026), (7, 41298590), (10, 28909013), (14, 20649295), (19, 15215270), (35, 8259718), (38, 7607635), (70, 4129859), (95, 3043054), (133, 2173610), (190, 1521527), (266, 1086805), (665, 434722), (1330, 217361)]