289323830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{3617}}^1$

素因数の和:4064

約数の個数: 32

約数和(自身を含む): 549646560

約数和(自身を除く): 260322730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 421, 842, 2105, 3617, 4210, 7234, 7999, 15998, 18085, 36170, 39995, 68723, 79990, 137446, 343615, 687230, 1522757, 3045514, 7613785, 15227570, 28932383, 57864766, 144661915, 289323830]

約数ペア:

[(1, 289323830), (2, 144661915), (5, 57864766), (10, 28932383), (19, 15227570), (38, 7613785), (95, 3045514), (190, 1522757), (421, 687230), (842, 343615), (2105, 137446), (3617, 79990), (4210, 68723), (7234, 39995), (7999, 36170), (15998, 18085)]