208227780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{385607}}^1$

素因数の和:385625

約数の個数: 48

約数和(自身を含む): 647821440

約数和(自身を除く): 439593660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 385607, 771214, 1156821, 1542428, 1928035, 2313642, 3470463, 3856070, 4627284, 5784105, 6940926, 7712140, 10411389, 11568210, 13881852, 17352315, 20822778, 23136420, 34704630, 41645556, 52056945, 69409260, 104113890, 208227780]

約数ペア:

[(1, 208227780), (2, 104113890), (3, 69409260), (4, 52056945), (5, 41645556), (6, 34704630), (9, 23136420), (10, 20822778), (12, 17352315), (15, 13881852), (18, 11568210), (20, 10411389), (27, 7712140), (30, 6940926), (36, 5784105), (45, 4627284), (54, 3856070), (60, 3470463), (90, 2313642), (108, 1928035), (135, 1542428), (180, 1156821), (270, 771214), (540, 385607)]