380387840

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{21227}}^1$

素因数の和:21257

約数の個数: 80

約数和(自身を含む): 1042379712

約数和(自身を除く): 661991872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 17920, 21227, 42454, 84908, 106135, 148589, 169816, 212270, 297178, 339632, 424540, 594356, 679264, 742945, 849080, 1188712, 1358528, 1485890, 1698160, 2377424, 2717056, 2971780, 3396320, 4754848, 5434112, 5943560, 6792640, 9509696, 10868224, 11887120, 13585280, 19019392, 23774240, 27170560, 38038784, 47548480, 54341120, 76077568, 95096960, 190193920, 380387840]

約数ペア:

[(1, 380387840), (2, 190193920), (4, 95096960), (5, 76077568), (7, 54341120), (8, 47548480), (10, 38038784), (14, 27170560), (16, 23774240), (20, 19019392), (28, 13585280), (32, 11887120), (35, 10868224), (40, 9509696), (56, 6792640), (64, 5943560), (70, 5434112), (80, 4754848), (112, 3396320), (128, 2971780), (140, 2717056), (160, 2377424), (224, 1698160), (256, 1485890), (280, 1358528), (320, 1188712), (448, 849080), (512, 742945), (560, 679264), (640, 594356), (896, 424540), (1120, 339632), (1280, 297178), (1792, 212270), (2240, 169816), (2560, 148589), (3584, 106135), (4480, 84908), (8960, 42454), (17920, 21227)]