289133075

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 466488000

約数和(自身を除く): 177354925

約数列:

[1, 5, 7, 11, 25, 35, 43, 49, 55, 77, 175, 215, 245, 275, 301, 385, 473, 499, 539, 1075, 1225, 1505, 1925, 2107, 2365, 2495, 2695, 3311, 3493, 5489, 7525, 10535, 11825, 12475, 13475, 16555, 17465, 21457, 23177, 24451, 27445, 38423, 52675, 82775, 87325, 107285, 115885, 122255, 137225, 150199, 192115, 236027, 268961, 536425, 579425, 611275, 750995, 960575, 1051393, 1180135, 1344805, 1652189, 3754975, 5256965, 5900675, 6724025, 8260945, 11565323, 26284825, 41304725, 57826615, 289133075]

約数ペア:

[(1, 289133075), (5, 57826615), (7, 41304725), (11, 26284825), (25, 11565323), (35, 8260945), (43, 6724025), (49, 5900675), (55, 5256965), (77, 3754975), (175, 1652189), (215, 1344805), (245, 1180135), (275, 1051393), (301, 960575), (385, 750995), (473, 611275), (499, 579425), (539, 536425), (1075, 268961), (1225, 236027), (1505, 192115), (1925, 150199), (2107, 137225), (2365, 122255), (2495, 115885), (2695, 107285), (3311, 87325), (3493, 82775), (5489, 52675), (7525, 38423), (10535, 27445), (11825, 24451), (12475, 23177), (13475, 21457), (16555, 17465)]