202019020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 514483200

約数和(自身を除く): 312464180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 173, 190, 266, 346, 380, 439, 532, 665, 692, 865, 878, 1211, 1330, 1730, 1756, 2195, 2422, 2660, 3073, 3287, 3460, 4390, 4844, 6055, 6146, 6574, 8341, 8780, 12110, 12292, 13148, 15365, 16435, 16682, 23009, 24220, 30730, 32870, 33364, 41705, 46018, 58387, 61460, 65740, 75947, 83410, 92036, 115045, 116774, 151894, 166820, 230090, 233548, 291935, 303788, 379735, 460180, 531629, 583870, 759470, 1063258, 1167740, 1442993, 1518940, 2126516, 2658145, 2885986, 5316290, 5771972, 7214965, 10100951, 10632580, 14429930, 20201902, 28859860, 40403804, 50504755, 101009510, 202019020]

約数ペア:

[(1, 202019020), (2, 101009510), (4, 50504755), (5, 40403804), (7, 28859860), (10, 20201902), (14, 14429930), (19, 10632580), (20, 10100951), (28, 7214965), (35, 5771972), (38, 5316290), (70, 2885986), (76, 2658145), (95, 2126516), (133, 1518940), (140, 1442993), (173, 1167740), (190, 1063258), (266, 759470), (346, 583870), (380, 531629), (439, 460180), (532, 379735), (665, 303788), (692, 291935), (865, 233548), (878, 230090), (1211, 166820), (1330, 151894), (1730, 116774), (1756, 115045), (2195, 92036), (2422, 83410), (2660, 75947), (3073, 65740), (3287, 61460), (3460, 58387), (4390, 46018), (4844, 41705), (6055, 33364), (6146, 32870), (6574, 30730), (8341, 24220), (8780, 23009), (12110, 16682), (12292, 16435), (13148, 15365)]