179916220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{7643}}^1$

素因数の和:7770

約数の個数: 48

約数和(自身を含む): 416078208

約数和(自身を除く): 236161988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 2140, 2354, 4708, 5885, 7643, 11770, 15286, 23540, 30572, 38215, 76430, 84073, 152860, 168146, 336292, 420365, 817801, 840730, 1635602, 1681460, 3271204, 4089005, 8178010, 8995811, 16356020, 17991622, 35983244, 44979055, 89958110, 179916220]

約数ペア:

[(1, 179916220), (2, 89958110), (4, 44979055), (5, 35983244), (10, 17991622), (11, 16356020), (20, 8995811), (22, 8178010), (44, 4089005), (55, 3271204), (107, 1681460), (110, 1635602), (214, 840730), (220, 817801), (428, 420365), (535, 336292), (1070, 168146), (1177, 152860), (2140, 84073), (2354, 76430), (4708, 38215), (5885, 30572), (7643, 23540), (11770, 15286)]