287373955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2\times {\mathrm{79}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 407923200

約数和(自身を除く): 120549245

約数列:

[1, 5, 11, 19, 55, 59, 79, 95, 209, 295, 395, 649, 869, 1045, 1121, 1501, 3245, 3481, 4345, 4661, 5605, 7505, 12331, 16511, 17405, 23305, 38291, 51271, 61655, 66139, 82555, 88559, 191455, 256355, 274999, 330695, 442795, 727529, 974149, 1374995, 3024989, 3637645, 4870745, 5224981, 15124945, 26124905, 57474791, 287373955]

約数ペア:

[(1, 287373955), (5, 57474791), (11, 26124905), (19, 15124945), (55, 5224981), (59, 4870745), (79, 3637645), (95, 3024989), (209, 1374995), (295, 974149), (395, 727529), (649, 442795), (869, 330695), (1045, 274999), (1121, 256355), (1501, 191455), (3245, 88559), (3481, 82555), (4345, 66139), (4661, 61655), (5605, 51271), (7505, 38291), (12331, 23305), (16511, 17405)]