208076860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 464891616

約数和(自身を除く): 256814756

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 277, 284, 355, 460, 529, 554, 710, 1058, 1108, 1385, 1420, 1633, 2116, 2645, 2770, 3266, 5290, 5540, 6371, 6532, 8165, 10580, 12742, 16330, 19667, 25484, 31855, 32660, 37559, 39334, 63710, 75118, 78668, 98335, 127420, 146533, 150236, 187795, 196670, 293066, 375590, 393340, 452341, 586132, 732665, 751180, 904682, 1465330, 1809364, 2261705, 2930660, 4523410, 9046820, 10403843, 20807686, 41615372, 52019215, 104038430, 208076860]

約数ペア:

[(1, 208076860), (2, 104038430), (4, 52019215), (5, 41615372), (10, 20807686), (20, 10403843), (23, 9046820), (46, 4523410), (71, 2930660), (92, 2261705), (115, 1809364), (142, 1465330), (230, 904682), (277, 751180), (284, 732665), (355, 586132), (460, 452341), (529, 393340), (554, 375590), (710, 293066), (1058, 196670), (1108, 187795), (1385, 150236), (1420, 146533), (1633, 127420), (2116, 98335), (2645, 78668), (2770, 75118), (3266, 63710), (5290, 39334), (5540, 37559), (6371, 32660), (6532, 31855), (8165, 25484), (10580, 19667), (12742, 16330)]