145612900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{16361}}^1$

素因数の和:16464

約数の個数: 36

約数和(自身を含む): 319549860

約数和(自身を除く): 173936960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 8900, 16361, 32722, 65444, 81805, 163610, 327220, 409025, 818050, 1456129, 1636100, 2912258, 5824516, 7280645, 14561290, 29122580, 36403225, 72806450, 145612900]

約数ペア:

[(1, 145612900), (2, 72806450), (4, 36403225), (5, 29122580), (10, 14561290), (20, 7280645), (25, 5824516), (50, 2912258), (89, 1636100), (100, 1456129), (178, 818050), (356, 409025), (445, 327220), (890, 163610), (1780, 81805), (2225, 65444), (4450, 32722), (8900, 16361)]