144980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{659}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 332640

約数和(自身を除く): 187660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 659, 1318, 2636, 3295, 6590, 7249, 13180, 14498, 28996, 36245, 72490, 144980]

約数ペア:

[(1, 144980), (2, 72490), (4, 36245), (5, 28996), (10, 14498), (11, 13180), (20, 7249), (22, 6590), (44, 3295), (55, 2636), (110, 1318), (220, 659)]