488960

素因数分解:

$2^9\times 5^1\times {\mathrm{191}}^1$

素因数の和:214

約数の個数: 40

約数和(自身を含む): 1178496

約数和(自身を除く): 689536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 191, 256, 320, 382, 512, 640, 764, 955, 1280, 1528, 1910, 2560, 3056, 3820, 6112, 7640, 12224, 15280, 24448, 30560, 48896, 61120, 97792, 122240, 244480, 488960]

約数ペア:

[(1, 488960), (2, 244480), (4, 122240), (5, 97792), (8, 61120), (10, 48896), (16, 30560), (20, 24448), (32, 15280), (40, 12224), (64, 7640), (80, 6112), (128, 3820), (160, 3056), (191, 2560), (256, 1910), (320, 1528), (382, 1280), (512, 955), (640, 764)]